So, a massless body cannot have a net force on it, because the acceleration of the rope cannot be infinite.

所以没有质量的物体不会受到力,因为绳子的加速度不可能是无穷大

耶鲁公开课 - 基础物理课程节选

at night, you can't do, you can't even do it now. There's no crosstown bus there now.

是不可能了，甚至现在就不可能。因为那里已经没有跨区的巴士了。

纽约的公共交通 - SpeakingMax英语口语达人

Why didn't he come clean? Of course, they took "The Purloined Ribbon" to be his sort of allegorical way of suggesting that he couldn't possibly confess because nobody can confess, there's no human subjectivity, etc., etc., etc.

为什么不全盘招供，当然，人们把他写的“偷窃的缎带“当成他用一种讽喻的方式,来暗示说他不可能承认,因为没有人能承认，人类主观性的缺失，等等等等。

耶鲁公开课 - 文学理论导论课程节选

.. Because you wouldn't have... You wouldn't be able to make money, you wouldn't be able to own property if there wasn't that socially, like, if society wasn't stable, and that's completely different from religion.

因为你不可能。,如果没有社会条件，如果社会不稳定,你就赚不到钱，更别提拥有财产了，这跟宗教完全是两码事。

耶鲁公开课 - 公正课程节选

And, in fact, it can't even reach n, because then we would have no potential energy at all in our electron, which is not correct.

事实上，它连n都达不到，因为如果那样的话,电子就没有势能了，这是不可能的。

麻省理工公开课 - 化学原理课程节选

If stock price option -if stock options tend to be issued as announced by the company later, just before stock prices go up, there's no way that that can be right because nobody can know exactly when the stock price is going to go up.

如果股票期权价格...,如果就像公司事后宣称的一样,公司恰好是在股价上涨之前,发行的股票期权,这是不可能做到的,因为没有人可以确切知道,股票价格何时会上涨

耶鲁公开课 - 金融市场课程节选

I probably would not have worked as hard, and you don't need to.

说不定就不像现在这样用功学习了，因为没有这种压力，我可能不需要这么用功。

都是天才 - SpeakingMax英语口语达人