decline是什么意思？

They tend to decline in people's later years.

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

Some diseases inevitably lead to their decline.

Our continuing failure to deal with the environmental declines that are undermining the world food economy forces me to conclude that such a collapse is possible.

In general, Salthouse and his colleagues found, certain aspects of cognition ( ' , 认知能力) generally started to decline in the late 20s to 30s.

In a multi-state study of assisted living , for instance, University of North Carolina researchers found that a host of variables—the facility's type, size or age; whether a chain owned it; how attractive the neighborhood was—had no significant relationship to how the residents fared in terms of illness, mental decline, hospitalizations or mortality.

Declining mental function is often seen as a problem of old age, but certain aspects of brain function actually begin their decline in young adulthood, a new study suggests.

By following individuals over time, Salthouse said, we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline.

As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.

How can I help you?The massive decline in sleep happened so slowly and quietly that few seemed to notice the trend.

The implication is a sharp decline in global trade, which has plunged partly because oilproducing nations can't afford to import as much as they used to.

I designed an eight-session workshop for 91 students whose math grades were declining in their first year of junior high.

The number of British films being made has declined in the past few years, according to new figures.

Mass market paperbacks, which have been declining for years anyway, will probably disappear, as will hardbacks for mysteries, thrillers, "romance fiction," etc.

when nearly one-quarter of the workforce was unemployed, the divorce rate had declined by around 25% from 1929 But this doesn't mean people were suddenly happier with their marriages.

Students' performance declined

By following individuals over time," Salthouse said, "we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline."

In a multi-state study of assisted living, for instance, University of North Carolina researchers found that a host of variables—the facility's type, size or age; whether achain owned it; how attractive the neighborhood was—had no significant relationship

Perhaps most exciting is research that suggests that crafts like knitting and crocheting may help to keep off a decline in brain function with age.

The decline in interest in literary fiction is also one of the causes identified by Leslie.

The implication is a sharp decline in global trade, which has plunged partly because oil-producing nations can't afford to import as much as they used to.

The massive decline in sleep happened so slowly and quietly that few seemed to notice the trend.

What has changed, instead, is the relative share adopting different ways of living in early adulthood, with the decline of romantic coupling pushing living at home to the top of a much less uniform list of living arrangements.

Natural gas and coal—also fossil fuels—have similarly seen price declines that look to be long-lived.

About 80% of our company's year-over-year declines in comparable sales can be attributed to shortfalls ( ' , 短缺) in cold-weather goods, said chief executive Terry Lundgren in a press release.

Perhaps the best example of boom growth and bust decline is the Grand Banks fishery.

From other sources, we also know teenage crime, drug abuse and premarital sex are in general decline.

Patrick Belser, an International Labour Organization specialist says declining wage rates are linked to the levels of unemployment.

Cognitive decline is the loss of ability to learn new skills, or recall words, names, and faces that is most common as we age.

A new study has failed to find any conclusive evidence that lifestyle changes can prevent cognitive decline in older adults.

The market demand for electronic devices is now either declining or not growing as fast as before.

Premature death rates resulting from smoking have declined.

It has tens the decline of the written word.

Down that path lies economic decline.

Fully developed, mature, post-industrial societies, such as those in Europe, characterised by stable or declining populations which are increasing in age.

Late-stage developing nations that are currently industrialising rapidly, for example China, which will experience declining rates of population growth, coupled with increasing affluence (富裕）and age profile

The decline started in the 1950s, when manufacturing generated a sturdy 28% of the national income, or gross domestic product, and employed one-third of the workforce.

That's one explanation for the decline in traditional craftsmanship

Manufacturing's shrinking presence undoubtedly helps explain the decline in craftsmanship, if only because many of the nation's assembly line workers were skilled in craft work, if not on the job then in their spare time.

Though the decline started in the 1970s, it became much steeper beginning in

What does the author say is a factor contributing to the decline in traditional craftsmanship?

percent, as 598000 jobs were slashed from US payrolls in the worst single-month decline since December.

From December 1928 to December 1929, total household wealth declined only 3%.

That these huge declines didn't lead to depression mainly reflects, as Romer argues, countermeasures taken by the government.

Over the past two years, the figures on imports and exports seem not to signal a double-dip recession – a renewed decline in the broad level of economic activity in the United States – but an economic expansion.

At the same time, perhaps inevitably, the humanities—while still popular in elite colleges and universities—have experienced a significant decline.

What accounts for the significant decline in humanistic studies today

Obama's popularity may decline as time passes by.

He declines to join the gardening club.

Decline the invitation as early as possible.

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.

Across the developed world, ear use is in decline as more people move to city centers, while young people especially are opting for other means of travel.

But around 2012 these measures started to decline.

Cambridge scientist Peter Wadhams who's been measuring and monitoring the Arctic since 1971, says the decline is irreversible.

However, given that there is at least some evidence for positive effects from some of these lifestyle changes, plus other benefits apparently unrelated to cognitive decline, Burke was willing to offer some recommendations.

I suspect that some experts in the field will be keen to address alternative explanations, such as unassessed variables playing a role in the well-being decline.

I think that by having people adopt a healthy lifestyle, both from a medical standpoint as well as nutritional and cognitive stimulation standpoint, we can reduce the incidence of cognitive decline, which will be proof that these factors are, in fact, imp

James Burke of Duke University is one of the authors of a study reviewing previous research on cognitive decline.

Now a new study has provided another contribution to the debate, uncovering strong evidence that adolescent well-being in the United States really is experiencing a decline and arguing that the most likely cause is the electronic riches we have given them

Researchers are already asking if motor vehicle use has reached its peak and will decline, but transport planners have yet to catch up with this trend, instead of laying new roads to tackle traffic jams.

So the researchers looked at time spent in a number of activities that could plausibly be driving the well-being decline.

The dataset they used did not include economic data, so instead the researchers looked at whether the 2013-16 well-being decline was tracking economic indicators.

The decline in American Indian languages has historical roots.

The expert review also found insufficient evidence to recommend any drugs or dietary supplements that could prevent or slow cognitive decline.

The quite dramatic unemployment figures, which we now see in some of the countries, strongly suggest that there will be greater pressure on wages in the future, as more people will be unemployed, more people will be looking for jobs and the pressure on em

The researchers also note the recession hit some years before we see the beginning of the well-being drop, and before the steepest well-being decline, which occurred in 2013.

The sudden decline in foot traffic in recent years, even though it hasn't been accompanied by a massive decline in physical sales, is a critical warning.

Unfortunately, activities involving direct contact with people, which contributed to better well-being were found to be on the decline.