You cannot have a spring pulled only at one side, because then it will then accelerate with infinite acceleration in that direction.

你不可能对弹簧只施加一边的拉力,因为那样的话弹簧就会以无穷大的加速度加速,就在这个方向上

耶鲁公开课 - 基础物理课程节选

because you've seen mice started to scuttle across the floor and it's disgusting.

因为你看到几只老鼠在地板上一窜而过，真令人恶心。

I'm afraid of 课堂 - SpeakingMax英语口语达人

But that's the only one he's going to lose because you were defending the wrong pass.

但是他只会损失一个营,因为你选择了在错误的途径设防

耶鲁公开课 - 博弈论课程节选

You voted that Shakespeare is higher only because the culture tells you that or teachers tell you that or do you actually agree with that yourself?

你认为莎士比亚更高级,只因为那是文化或者老师这样告诉你的,还是你自己也真正认同呢？

耶鲁公开课 - 公正课程节选

You might choose to use a word for "Dog" as "Woof woof" because it sounds like a dog but you can't use a word for "Country" that sounds like a country.

你可以用"汪汪"这个词来表示"狗",因为它听起来像只狗,但你却无法使用一个听起来像国家的词,来表示"国家"

耶鲁公开课 - 心理学导论课程节选

Well, you should be absolutely unexcited because it doesn't mean anything; if they were giving you extra shares and just you alone, that would be great--that would be good.

你根本不应该感到高兴,因为这没有什么意义,如果他们只给你一人发放股票,这就是件好事

耶鲁公开课 - 金融市场课程节选

Well, now one of the things farmers in history discovered is that it's very hard to do well as a farmer if all you do is grow the crops, because people normally don't use what you grow in the form in which you grow it.

关于农民我们在历史上能够得知的一件事是,当好农民很困难,特别是只种农作物的农民,因为人们一般不会将,你从地里种出来的东西留作种子

耶鲁公开课 - 古希腊历史简介课程节选