So I hit control X. It's very unnecessarily arcanely saying save modified buffer, and then answering no will destroy changes.

敲入控制键X，它会很罗嗦地,问你是否保存所做的修改,如果回答为NO，就不保存修改过的部分。

哈佛公开课 - 计算机科学课程节选

If you run a business, how would you answer them? It's challenging.

如果你也经营一个企业，会怎么回答，有挑战性。

麻省理工公开课 - 媒体、教育、市场课程节选

So, hopefully that kind of clears up that question. And, of course, when the velocity actually is zero, this equation that the de Broglie has put forth is valid for anything that has momentum, so if something does not have any velocity at all, it actually does not have momentum, so you can't apply that equation anyway.

能回答你的问题，当然，如果速度真的是零的话,德布罗意提出的这个方程,只对有动量的物体成立,所以如果一个东西没有速度，它没有动量，也就不能应用这个方程。

麻省理工公开课 - 化学原理课程节选

If you have questions about this I hope that you've already taken advantage of the teaching fellows or come up after class, I'd be happy to try to answer your questions now if you have time as well.

如果你对这些内容有疑问,我希望你能从助教那里获得帮助,或者课后来找我,我现在非常乐意回答你的问题,如果你们正好也有空的话

耶鲁公开课 - 生物医学工程探索课程节选