We must decide what to keep and what to give away.

我们必须决定哪些该留、哪些该扔。

《柯林斯英汉双解大词典》

When you design a platform, you have to care at every moment about what to expose as part of your API, and what to keep internal.

当你设计一个平台时，无时无刻都必须考虑着把哪一部分做为API，哪一部分做为内部的。

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Deciding what to keep and what to conceal isn't a simple task, though, and will depend on how important and how frequently used each of the controls is.

虽然决定哪些保留哪些隐藏可不是件简单的任务，但是可以根据每个控件的重要性和使用频率来进行判断。

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Kathleen Sebelius advised women to "keep doing what you have been doing."

VOA: special.2009.11.25

I've got some internal variables I have to store, what kinds of things do I have to keep track of?

计算的时候需要占用多少内存,我需要存储一些内部变量,我需要记录哪些东西呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

If we have a high frequency, what about the wavelength, long or short? All right. Good. So we should always be able to keep these relationships in mind.

如果频率高，那波长是长还是短？,好，不错，我们要记住这些关系,类似的。

麻省理工公开课 - 化学原理课程节选

In creating a new culture, it is not clear what to keep and what to give up.

FORBES: Getting To Plan B

Consider all the things that compete for your time, and decide what to keep and what to discard.

FORBES

Some people who had both streaming and DVDs will opt for the streaming when they chose what to keep.

FORBES: Amazon vs. Netflix Will Come Down to Content