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》

He won't know what to keep and would probably just throw out everything.

他不知道要保留些什么，也许就把什么都扔掉了。

youdao

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