那么我们必须要询问什么是时间。

Then we have to enquire what is time.

youdao

所以你们必须去探索什么是时间。

So you have to investigate what time is.

youdao

母亲教会我什么是时间旅行

My mother taught me about TIME TRAVEL

youdao

You didn't know who wrote it, where, when, how, why, and someone says to you, "I want you to draw some conclusions about that piece of writing.

你不知道是谁，在哪里，什么时间，怎么样，为什么要写,然后你被要求对篇文章，做一个总结。

耶鲁公开课 - 旧约导论课程节选

OK, in a few minutes we're going to start talking then about what is computation, how are we going to start building those tools, but that's what you should take away, that's what you're going to gain out of this course by the time you're done.

好啦，我们会花一点儿时间,谈谈什么是计算，我们如何去建造这些工具，但是这些是你应该，在离开这个课堂时,应该学会的事儿。

麻省理工公开课 - 计算机科学及编程导论课程节选

Where and when do you want to peak, ? as it were, in terms of your accomplishments?

你想在什么时间到达巅峰，如果它说的是你的成就方面？

耶鲁公开课 - 死亡课程节选