If you had known what I know you would know why.

假如你知道我所知道的一切你就会晓得这是为什么道理。

youdao

Why else would you know a normal vector?

还有什么原因你会知道法向量？

youdao

The worst part is that you don't know why your child would do such a thing!

最糟糕的是，你不知道你的孩子为什么会做出这种事来。

youdao

And if you remember this phrase, I don't know why you would, but this will help you learn the lanthanides in order.

如果你能记得这句话的话，我不管你们是怎么做到的，但是这个确实会帮助你按顺序记住镧系元素。

麻省理工公开课 - 固态化学导论课程节选

PROFESSOR: Great question. So the question is, how do you choose an algorithm, why would I choose to use a pseudo-polynomial algorithm when I don't know how big the solution is likely to be, I think that's one way to think about it.

教授：问得好，所以问题是，你怎样选择算法，为什么当我,不知道解决方案会有多大的时候,我要选伪多项式算法呢，我想这是一种思考问题的方式。

麻省理工公开课 - 计算机科学及编程导论课程节选

And I want you to know, you know why I knew this rescue would succeed?

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You know, why would you want to buy a car from a company that's bankrupt when you have lots of other good choices?

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And I was - I often would wonder why - you know, why we don't correct these things, why didn't he correct these things.

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