如果这辆汽车需要清洗，你还在等什么呢？

If the car needs cleaning, what are you waiting for?

《牛津词典》

更重要的是找到我需要做什么、去哪里等问题。

It's more a question of finding out what I need to do, where to go and so on.

youdao

我们需要有木工等实用技术的人。

We need people with practical skills like carpentry.

《牛津词典》

So whether we finish it today, or more likely when we finish it up on Friday, once we get passed isoelectronic atoms, that's it, that's all you need to study for this first exam.

因此，我们也许今天讲完，或者更有可能周五讲完，无论如何，就到我们讲完等电子原子为止，这是你们第一次考试所需要准备的全部内容。

麻省理工公开课 - 化学原理课程节选

If you have an isobaric you're going to have to calculate where the energy changes, and that's a calculation that's likely on the homework and very like on an exam as well, too.

在等压过程中,我们需要计算能量的变化，我们在作业,和考试中,就会遇到这类问题。

麻省理工公开课 - 热力学与动力学课程节选

That's a lot harder of a problem to solve if you need to reconstruct the fragmentation, yeah.

如果你需要重构这些碎片,会有很多很难的问题等着我们。

哈佛公开课 - 计算机科学课程节选