不要出价，如果你不需要它。

Do not bid if you don't need it.

youdao

为了获得一项贷款，你首先需要证明你不需要它。

In order to get a Loan, you first need to prove that you don't need it.

youdao

如果您的数据没有它依然存在，那么你不需要它。

If your data is persisted without it, then you don't need it.

youdao

You don't have to declare a special variable for it if you don't care about its actual value.

你并不需要为它声明一个特定的变量,如果你不关心它的实际值。

哈佛公开课 - 计算机科学课程节选

They're attractive, in that a, they don't require a lot of thought.

这种组合很诱人，它不需要你思考很多东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

So that's where you have to think about whether it's positive or negative.

你就要想想，它是正还是负,你们现在不需要。

麻省理工公开课 - 化学原理课程节选