when是什么意思？

While consumers are spending less on toilet paper, they remain fussy – in theory at least – when it comes to paper quality.

When you can quote a specific number like a fifth of the patients were able to quit, that's compelling.

When we acquire new information, the brain automatically tries to incorporate ( ' , 合并) it within existing information by forming associations.

When people tend to forget.

When it's time to make the leap, they take action and immediately drop what's no longer serving their purpose.

When Leah made the commitment to change, she primed herself to new opportunities she may otherwise have overlooked.

Veiseh can even put a date on when those tapes started recording: 15 December 2000, when he met his first girlfriend at his best friend's 16th birthday party.

This is hard to achieve when, as is now the case in many big firms, a large proportion of staff are temporary contractors.

These extra features are deemed unnecessary by the majority of shoppers, which probably reflects how these types of products are typically more expensive than regular toilet paper, even when on special offer.

The late Richard Hackman of Harvard University once argued, I have no question that when you have a team, the possibility exists that it will generate magic, producing something extraordinary… But don't count on it.

Teamwork is most effective when team members share the same culture.

People with HSAM have the same memory as ordinary people when it comes to impersonal information.

One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger, says Lindson-Hawley, who studies tobacco and health at the University of Oxford.

Leah reflects on one incident that triggered her fears, when her investors threatened to shut her down: I was probably up against the most fear I've ever had, she says.

It's the stage in the middle of the journey when people feel youth vanishing, their prospects narrowing and death approaching.

Environmental protection is not much of a concern when Britons buy toilet paper.

Either way, we have choices about how we respond to it when it comes.

And when we retrieve ( ' , 检索) information, both the desired and associated but irrelevant information is recalled.

A young woman sought explanation from a brain scientist when she noticed her unusual memory.

Zircle reported the attack when she arrived in Nulato, Alaska, in the early hours of the morning.

Whenever she called her parents or other relatives, she always had to think about the time difference so that she wouldn’t wake someone up or call when she knew they were at church.

When he looked closer he realized it was a huge group of bees.

When dogs looked at expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.

When Katherine joined Facebook, some of her classmates at high school started to add her as a friend.

Thousands of bees left a town after landing on the back of a car when their queen got stuck in its boot.

She loved learning about the success of people she knew when she was just a teenager.

If I could go back in history and live when I liked, I wouldn’t go back very far.

His teacher said if he went on like that, his face would get stuck when the winds changed.

Hi, Susan! You’re looking very smart today!  There is new data out today that confirms that many Americans are not good at math, and when it comes to everyday technology skills, we are dead last when compare to other developed countries.

But carrots got their biggest boost during the two world wars when food shortages forced people to eat them and governments told everyone how healthy carrots were.

Another thing Katherine loved about Facebook was that she didn’t have to think about time zones when updating family.

And when looking at angry humans, they tended to turn away their gaze.

Advocates of selfdriving cars argue they will be safer than in cars driven by humans because they wouldn’t get distracted or drive when tired.

When your elderly relative needs to enter some sort of long-term care facility—a moment few parents or children approach without fear—what you would like is to have everything made clear.

When you look at attitudes toward driverless cars, there doesn't seem to be a clear generational divide.

When they had lunch in the dining room, they sat alone at the table.

When it is no longer considered a luxury.

When it is made part of kids' education.

When it is made fun and enjoyable to kids.

When it is accessible to kids of all families.

When governments lose their control on power, law and order begin to disintegrate.

What people were like when they came in had greater consequence than what happened once they were there.

Today, when time zones have less and less meaning, there is little tolerance for offices' closing for lunch, and worsening traffic in cities means workers can't make it home and back fast enough anyway.

This is especially interesting when you consider that younger people are generally more interested in travelrelated technologies than older onesWhen it comes to driverless cars, differences in attitude are more pronounced based on factors not related to age.

The trend began in 2007, when leading wheat-exporting countries such as Russia and Argentina limited or banned their exports, in hopes of increasing local food supplies and thereby bringing down domestic food prices.

The philosophy professor says it is as relevant today as when it was first written many centuries ago.

The doer of a good deed can feel spiritually rewarded even when they gain no concrete benefits.

States fail when national governments can no longer provide personal security, food security and basic social services such as education and health care.

Some show up ready, but many do not at this critical time when young brains are developing rapidly.

Some of them begin to decline when people are still young.

Real friendship is when two individuals share the same soul.

Patterns of childhood eating can be hard to break when we're adults, which may mean that kids of depressed moms end up dying younger.

One simple check would be to program a robot to check the correct course of action with a human when presented with an unusual situation.

Many people feel guilty when they cannot find a place other than a nursing home for their parents.

I think what Aesop was suggesting is that when you offer a good turn to another human being, one can hope that that good deed will come back and sort of pay a profit to you, the doer of the good deed.

Hesiod offers an idea—which you very often find in some of the world's great religions, in the Judeo-Christian tradition and in Islam and others—that in some sense, when you hurt another human being, you hurt yourself.

But when the researchers plugged in a number of other variables, such differences disappeared.

But nobody greeted the daughter and mother when they arrived, though the visit has been planned; nobody introduced them to the other residents.

And that the characteristics adult children look for when they begin the search are not necessarily the things that make a difference to the people who are going to move in.

Subjects who learned the games in the morning lost some skills when they played again 12 hours later.

Parents and teachers will tell you not to worry when applying for a place at a university.

Jody has a Ph.D.in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.

Jody has a Ph.D. in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.

Why do some students give up when they encounter difficulty, whereas others who are no more skilled continue to strive and learn? One answer, I soon discovered, lay in people's beliefs about why they had failed.

When turning work into a game, it is necessary to understand what makes games interesting.

When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).

When employees log in to their computers, they're shown a picture of one of their coworkers and asked to guess that person's name.

When I told a group of school children who displayed helpless behavior that a lack of effort led to their mistakes in math, they learned to keep trying when the problems got tough.

We validated these expectations in a study in which two other psychologists and I monitored 373 students for two years during the transition to junior high school, when the work gets more difficult and the grading -102- more strict, to determine how their mind-sets might affect their math grades.

To enhance morale, one company asks its employees to identify their fellow workers when starting their computers.

They found that the majority of both kids and adults opted for a half-sized portion when combined with a prize.

One argument that you tend to hear a lot from the pro-tipping crowd seems logical enough: the service is better when waiters depend on tips, presumably because they see a benefit to successfully veiling their contempt for you.

Most kids and adults don't actually feel hungry when they eat half of their meal.

Many oil producers built up huge reserve funds when prices were high, so when prices fall they will draw on their reserves to support government spending and subsidies ( ' , 补贴) for their consumers.

It can also be exploitative, especially when used with vulnerable populations.

Consumers have more money in their pockets when they're paying less at the pump.

But as it turns out, waiters see only a tiny bump in tips when they do an exceptional job compared to a passable one.

After such an experience an animal often remains passive even when it can effect change—a state they called learned helplessness.

When the tea is boiled, the drink has a purple color.

When a group of craftsmen expands to include more members, a small craft organization is formed.

Our topic today is about something that foreigners nearly always say when they visit Britain.

If you spend a little time digging for the right part-time jobs, you’ll save yourself time when you find a job that leaves you with enough time to get your school work done, too.

Writers may experience periods of time in their life when they just can't produce anything.

While most people will still probably need, and be, to some extent, clock-timers, task-based timing should be used when performing a job that requires more creativity.

When it's five o'clock, people leave their office.

When good students turn in an essay, they dream of their instructor returning it to them in exactly the same condition, save for a single word added in the margin of the final page: Flawless.

When Jonathan Swift proposed, in 1729, that the people of Ireland eat their children, he insisted it would solve three problems at once: feed the hungry masses, reduce the population during a severe depression, and stimulate the restaurant business.

They work down the list, each task starts when the previous task is completed.

They tend to enjoy the moment when something good is happening, and seize opportunities that come up.

They leave when the clock tells them they're done.

There are two ways to interpret Plutarch when he suggests that a critic should be able to produce a better in its place.

The author was not much surprised when his school teacher marked his essay as flawless.

That was when true criticism, the type that changed me as a person, began.

Shouldn't preparing—and consuming—food be a source of comfort, pride, health, well-being, relaxation, sociability? Something that connects us to other humans? Why would we want to outsource ( ' , 外包 ) this basic task, especially when outsourcing it is so harmful? When I talk about cooking, I'm not talking about creating elaborate dinner parties or three-day science projects.

She criticized me when I included little-known references and professional jargon ( ' , 行话 ).

She cared about me, and my intellectual life, even when I didn't.

Reward all those involved in the debate sufficiently when the goals are reached.

One day, when he went to get his 7-year-old son from soccer practice, his kid greeted him with a downcast face and a sad voice.

My mother, who is just shy of five feet tall, is normally incredibly soft-spoken, but on the rare occasion when she got angry, she was terrifying.

I leaned in to hear her: I can't hear you when you shout at me.

We need very broad participation to fully address the global tragedy that results when countries fail to take into account the negative impact of their carbon emissions on the rest of the world.

The reason is that when carbon is priced, those emissions reductions that are least costly to implement will happen first.

The British traveler Charles Thompson spoke for many Grand Tourists when in 1744 he described himself as being impatiently desirous of viewing a country so famous in history, a country which once gave laws to the world, and which is at present the greatest school of music and painting, contains the noblest productions of sculpture and architecture, and is filled with cabinets of rarities, and collections of all kinds of historical relics.

Middle school is a crucial period when students may become keenly interested in advanced mathematics.

At a time when young beauty shoppers are often turning to Sephora or Ulta instead of department store beauty counters, Macy's hopes Bluemercury will help strengthen its position in the category.

Whether this is right, and if so where and when the ecological axe will fall, is hard to determine with any precision—which is why governments and financial institutions are only beginning to bring such risks into their economic calculations.

When we ask teens to choose a hero, they usually select an older family member rather than a remote public figure.

When this water is used for agricultural irrigation, farmers risk absorbing disease-causing bacteria, as do consumers who eat the produce raw and unwashed.

When the health insurance industry was still cooperating in reform efforts, its trade group offered to provide standardized forms for automated processing.

When I was in high school, dozens in my class alone would have answered differently.

This is really about trying to cut through the confusion that consumers have when they are buying a product and that businesses have when they are selling a product, said Jon Leibowitz, chairman of the commission.

They speak with Mom or Dad when they have a problem.

The revisions come at a time when green marketing is on the rise.

The lawsuits said that the label was misleading because it gave the impression that the products had been certified by a third party when the certification was the company's own.

Some are turning to the Internet, which is cheaper and offers concrete measurements like click-through rates— especially important at a time when marketing budgets are tight.

Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use; not all nations have released up-to-date data, and in any case, emissions from some sectors such as aviation are not included in national statistics.

It is fine and healthy for teens to cultivate their personal interests, and it is good news when young people enjoy harmonious relations with their family and friends.

It is also troubling that voting rates among our youngest eligible voters—18- to 24-year-olds—are way down: Little more than one in four now go to the polls, even in national elections, compared with almost twice that many when 18-year-olds were first given the vote.

Interactive television advertising is successful when incorporated into situation comedies.

In fact, other recent studies have found there has never been a time in American history when so small a proportion of young people have sought or accepted leadership roles in local civic organizations.

For example, only one boy said he would like to be president when he grows up.

As I said, structural unemployment isn't a real problem, it's an excuse—a reason not to act on America's problems at a time when action is desperately needed.

You know, one of the first things I like to tell people when they ask me about the supplements, is that a lot of them are promoted as a cure for your memory, but your memory doesn’t need a cure.

The other thing is that a lot of these supplements aren’t necessarily what they claim to be, and you really have to be wary when you take any of them.

Too many workplace policies effectively prohibit employees from developing a healthy work-life balance by barring them from taking time off, even when they need it most.

The ROWE participants were allowed to freely determine when, where and how they worked – the only thing that mattered was that they got the job done.

It's a dramatic endorsement for a technology most people think about only when their smartphone goes dark.

If going to university doesn't work out, students pay very little--if any--of their tuition fees back: you only start repaying when you are earning ￡21,000 a year.

Harvard Business School professor Leslie Perlow explains that when people feel the pressure to be always on, they find ways to accommodate that pressure, including altering their schedules, work habits and interactions with family and friends.

For example, when asked whether they would buy a new smartphone this year, only 48 percent said yes – a six-point drop from 2015.

But even when employees are given paid time off, workplace norms and expectations that pressure them to overwork often prevent them from taking it.

And when it comes to the hyper-connected super-smart world that technology firms are painting for us, it seems that consumers are growing more uneasy about handing over the massive amounts of consumer data needed to provide the personalized, customized solutions that companies need to improve their services.

When they returned home, their droppings end up all around their nesting sites, including in nearby ponds.

When the molten rock of the earth’s core forced its way to the surface to form the throat of a volcano, as the centuries passed, the rock cooled and hardened, shrinkingand cracking into long columns.

When I teach in classroom, we often end up talking about things like success and what leads to success.

We can’t expect kids to turn off that admiration when the same person is selling sugar.

Today, I’d like to talk about what happens when celebrity role models get behind healthyhabits, but at the same time promote junk food.

The pollutants in the ponds appear to come from fish that fulmars eat when they’re out on the ocean.

The legend says that when seven girls were attacked by bears, they took refuge on top of a small rock, and they appealed to the Rock God for help.

Now what’s interesting about the theory is what do you have if you only have one out of three or two out of three? What do you have and how is it different if you have a different two out of three? What’s interesting about this kind of theorizing is it gives rise to many different combinations that can be quite interesting when you break them down and start to look at them carefully.

And we create opportunity for assessment and intervention, to help clients and communities cope effectively with the reality and change that reality when necessary.

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline-powered cars to electric cars, or even a switch from an incandescent to a fluorescent light, understanding energy system inertia and momentum can help you decide whether their plans are feasible.

When we can't actually remove the source of our fear, we tend to adapt psychologically by adopting a range of defence mechanisms, says Tom Crompton, change strategist for the environmental organisation World Wide Fund for Nature.

When people find they are powerless to change a situation, they tend to live with it.

When investors put up money to build, say, a nuclear power plant, they expect to earn that money back over the planned life of the plant, which is typically between 40 and 60 years.

When a technology is deployed, its impacts reach far beyond itself.

When Nijay Williams entered college last fall as a first-generation student and Jamaican immigrant, he was academically unprepared for the rigors of higher education.

We found that when we taught participants to ask What if? and How can? questions that nobody present would know the answer to and that would spark exploration, they engaged in better inquiry at the next exhibit − asking more questions, performing more experiments and making better inter pretations of their results.

They underestimate themselves when selecting a university, said Dave Jarrat, a marketing executive for Inside Track, a for-profit organization that specializes in coaching low-income students and supporting colleges in order to help students thrive.

Take costs into account when making treatment decisions.

By far the biggest type of momentum that comes into play when it comes to changing our energy systems is economic momentum.

Another type of momentum we have to think about when planning for changes in our energy systems is labor- pool momentum.

When teamsconsist of experienced employees from hierarchical organizations, who have been conditioned to traditional organizational culture, cooperation may not occur naturally, it may need to be created.

The best form of advertising is probably word-of-mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.

He believes that team corporation results when members go beyond their individual capabilities, beyond what each is used to being and doing.

Charles, as a singer, do you ever make yourself cry when you sing? I wonder if you can tell me a little bit about your job as a radio announcer.

"I can't imagine if there's any other acting job in the world where you don't know what show you're in, when you're hired," says voice actor Keythe Farley, who chairs the SAG-AFTRA negotiating committee.

"They underestimate themselves when selecting a university," said Dave Jarrat, a marketing executive for Inside Track, a for-profit organization that specializes in coaching low-income students and supporting colleges in order to help students thrive.

"This is really about trying to cut through the confusion that consumers have when they are buying a product and that businesses have when they are selling a product," said Jon Leibowitz, chairman of the commission.

"We as a society need to understand that, when we don't punish lying, we increase the probability it will happen again," Ariely says.

"What our study suggests is that teenagers learn more quickly and more effectively when their peers are present than when they're on their own,'' Steinberg says.

"When people experience decision fatigue—when they are tired of making choices—they have a tendency to choose to go with the status quo 现状," he says.

"When we can't actually remove the source of our fear, we tend to adapt psychologically by adopting a range of defence mechanisms," says Tom Crompton, change strategist for the environmental organisation World wide Fund for Nature.

A high-tech test that can tell when a person is not telling the truth sounds too good to be true.

A new study from michigan State University, though, argues that all students—including high achievers—see a decline in performance when they browse the Internet during class for non-academic purposes.

About that same time and throughout adulthood, the information you receive, especially when ideas are repeated in association with goals and achievements you find attractive, also refines your attitudes.

Algorithms that were right 95% of the time when they were dealing with a 13,000-image database, for example, were accurate about 70% of the time when confronted with 1 million images.

And now, for the lighter side of the news, Europe is setting an example for the rest of the world, when it comes to food waste.

And she criticizes me in exactly the same way she did when I was first unpublished and I was starting.

And we are less likely to lie when we have moral reminders or when we think others are watching.

And when it comes to the hyper-connected super-smart world that technology firms are painting for us, it seems that consumers are growing more uneasy about handing over the massive amounts of consumer data needed to provide the personalized, customized so

And when something sounds too good to be true, it usually is.

And when we get off the plane, instead of being depleted, we feel recovered and ready to return to the performance zone.

And while the Portuguese took part in the trade, ferrying nuts down the coast along with other goods, by 1620, when English explorer Richard Jobson made his way up the Gambia, the nuts were still peculiar to his eyes.

Another type of momentum we have to think about when planning for changes in our energy systems is labor-pool momentum.

Apple's stance on these issues emerged post-Snowden, when the company started putting in place a series of technologies that, by default, make use of encryption to limit access to people's data.

As constant travelers and parents of a 2-year-old, we sometimes fantasize about how much work we can do when one of us gets on a plane, undistracted by phones, friends, or movies.

At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known.

Because when the dust settles, people are going robe pretty much what they are.

Brittleness remains a problem when building steel structures in cold conditions, such as oil rigs in the Arctic.

But ￡3,000 trips cannot be justified when the average income for families with children is just over ￡30,000.

But a recent study seems to point to the fact that when matter and anti-matter were first created, there were slightly more particles of matter, which allowed the universe we all live in to form?

But convincing open-minded dairy people is actually not that hard, when you look at the economics.

But decision fatigue goes away when you are making the decision for someone else.

But even when employees are given paid time off, workplace norms and expectations that pressure them to overwork often prevent them from taking it.

But some companies are realizing that placing the burden of recycling entirely on the consumer is not an effective strategy, especially when tossing something away seems like the easiest and most convenient option.

But students who surfed the web during class did worse on their exams regardless of their ACT scores, suggesting that even the academically smartest students are harmed when they're distracted in class.

But surely everyone reading this has had times when you lie in bed for hours, unable to fall asleep because your brain is thinking about work.

But then when you see a picture, the idea finally clicks?

But what happens when new players emerge, who don't have deep roots within the existing culture?

But when our diverse team of researchers from six different disciplines and eight different countries began to review what was known, we were shocked that only a dozen previous studies had been done, including one we ourselves completed on language divers

But when scientists had their subjects play a game一in which they won money by deceiving their partner, they noticed the negative signals from the amygdala began to decrease.

But when two H-bots became imperiled, the robot choked 42 percent of the time, unable to decide which to save and letting them both.

But, he says extreme events become disasters only when people fail to prepare for them.

Charles, as a singer, do you ever make yourself cry when you sing?

Common research has long held that talking themselves through a task helps children learn, although doing so when you'v apparently matured is not a great sign of brilliance.

Dehydration is also a risk when you eat too much protein.

Europeans did not know of them until the 1500s, when Portuguese ships arrived on the coast of what is now sierra Leone.

Even Hillary Clinton says that when it comes to college, Costs won't be a barrier.

Even in June of 2007, when the economy was still moving ahead, job growth was only 132,000, while turnover was 4.7 million!