At the same time, they must spend enough time on separate interests with separate people to preserve and develop their separate personalities and keep their relationship fresh.

同时，他们必须花足够的时间在不同的兴趣以及它们各自的主人身上，以保持发展他们各自的个性，保持他们的关系新鲜。

youdao

If we did have a way to store digital data long-term, the next question would be what to preserve, and how to keep it safe but easily discoverable.

如果我们找到了长期储存数字化信息的方法，那么接下来要解决的问题便是我们应该保存哪些重要的数据，以及如何保证信息的安全，并且使人类方便地辨认出这些信息。

youdao

If your late grandmother gave you a present as a child - by all means, keep it to preserve her memory.

如果小的时候，已故的奶奶送给了你一件礼物，无论如何也要好好保存来缅怀逝者。

youdao

A related view is that sleep emerged to preserve energy and keep you out of trouble at night.

相似地，睡眠是为了保存能量,还能让你晚上不去惹麻烦。

耶鲁公开课 - 心理学导论课程节选

We will also see if Bernanke fully appreciates that the primary task of the Federal Reserve is to preserve and keep stable the intrinsic value of the dollar.

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And some guys preserve just enough classicism to keep me interested.

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Just as the major advanced economies need to keep working to preserve stability among reserve currencies, emerging economies need to allow for currencies that are market-driven.

WHITEHOUSE: President Obama at the G-20 Summit