And the reason for this, and this is a very important point about the photoelectric effect, and the point here is that the electrons here are acting as particles, you can't just add those energies together.

这个现象的原因是，这是光电效应非常重要的一个论点,这个论点就是电子,在这里是粒子行为，你不能仅仅把这些能量加在一起。

麻省理工公开课 - 化学原理课程节选

So I think that by doing that, I can't force you to hang outside of work, but I can make it so that people are more with each other and can communicate more freely.

工作之余，我不能强迫大家也在一起，但能够让他们在与同事相处的时候,感觉更舒服，交流更自由。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

You'll see light coming out, but it's, of course, going to be bulk light -- you're not going to be able to tell the individual wavelengths.

你会看到有光出来，但当然这些光是混在一起的,你不能看到每个单色光。

麻省理工公开课 - 化学原理课程节选

Where we put our whole program together, and we say does the whole thing work?

也就是把我们的整个程序组合起来，然后看看它们在一起能不能正常运行？

麻省理工公开课 - 计算机科学及编程导论课程节选

If you can't run with the big dogs, stay in yard.

不能和大狗一起跑就呆在院子里。

哈佛公开课 - 幸福课课程节选