What, you think I regret saving you? I can see that you do.I just... I don't know why.

VOA: standard.other

I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Thing I've got a little procedure that could do that, but you know the simplest thing I could do is to say well, gee, wait a minute, why don't I just check to see if these are the same thing?

这两个点是同一个点么？,我已经写了一小块代码，可以提供这个功能,但是你知道的我可以做的，最简单的事情就是说好，嗯？,等等，我为什么不直接去看看,这两个东西相等不相等呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Why do I believe in the existence of atoms so small that I can't see them?

为什么我相信原子的存在,它是如此之小,以至于我根本就看不到它们

耶鲁公开课 - 死亡课程节选

Yeah, so you're asking, if for example, why do you need a booster of tetanus, because if I get exposed to tetanus wouldn't I have this rapid response?

所以你会问,举个例子来说,已经感染过破伤风杆菌的人,为什么仍然需要接种破伤风疫苗,身体不是应该马上对该病菌做出应答吗

耶鲁公开课 - 生物医学工程探索课程节选

Why don't I just do this and be clever.

为什么我不这样做，变机灵点呢。

哈佛公开课 - 计算机科学课程节选

Some of you are probably going to be doctors and you don't know why I'm going to do special relativity or quantum mechanics, but you don't know when it will come in handy.

你们中的有些人可能会成为医生,但你们现在不能理解,我为什么要讲相对论和量子力学,但是说不定什么时候,你就用上了呢

耶鲁公开课 - 基础物理课程节选

The question was, if you didn't hear, why do I have two equal signs?

这个问题是，如果你没听到问题的话，我为什么要用两个等号呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

How do I posit-- why do I believe in x-rays, even though I don't see them?

我如何证实,我为什么会相信X射线是存在的,尽管我压根看不见它

耶鲁公开课 - 死亡课程节选