There is a time when the son wants to grow into his own man – something described often in literature.

孩子成长过程中有一段时期他们希望尽快长成他自己，文学作品中经常这样描写。

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If there is a time when you have to wait (like at a doctor's office or at the DMV), whip out your book and read.

如果你需要等待一段时间(像是去看医生或是在车管局)，打开你的书并且阅读。

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However, we have to realize that doubts will never end, and so there is a time when we just accept that for the moment we don't understand, and instead stop worrying and fully and just practice.

但是，我们也要意识到，疑惑永远都不会停止，所以，到某个时刻，我们要接受目前我们不理解，转而停止担忧，全心修行。

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"That's really the biggest issue. When there is really a big sudden fire, the time to evacuate is extremely limited and extremely dangerous.

VOA: standard.2009.06.24

It is being written and redacted at a time when there is a king in Israel, there have been kings in Israel, and it is providing laws for the construction of an ideal monarchy.

它是在以色列有国王的时候写成并编辑的，以色列曾有过国王，它为建立君主理念提供了律法。

耶鲁公开课 - 旧约导论课程节选

Is there a period of time when you can personally talk with your professor?

你能和教授有单独会面的时间吗？

与教授的面谈 - SpeakingMax英语口语达人

But, there is a time when emotions rule the stock price.

FORBES: Apple: Good As Gold . . . Down 20 Percent Then Flat?

There is hardly a time when I ride my skittish thoroughbred that I don't wonder whether horses are a form of insanity.

WSJ: A Horse-Crazy Girl's Separation Vacation

The issue here is the value of the Clearwire spectrum at a time when there is a much stated shortage of spectrum available in the United States.

FORBES: Is Clearwire's "Special Committee" Finally Doing Its Proper Job?