lifelong是什么意思？

Basic skills needed for change and lifelong learning.

In those where ties to family and community are strong, lifelong marriages can be promoted by practices such as the cultural prohibition of divorce and arranged marriages that are seen as a contract between two families, not just two individuals.

And because those influence educational success and later earnings, early childhood experiences cast a lifelong shadow.

The other's portrayal of Muir's life is a testimony to what it means to be lifelong learners and to use that learning to inform and bring about change

Prices are good, crowds are fewer and the dividends like expanded worldview, lifelong memories, the satisfaction of boosting the global economy—can't be easily snatched away.