So when you go ahead and draw these on your problem-sets or on your exams, it's a good idea to put these dashed lines in, both for you and for people reading it to see exactly where your molecular orbitals are coming from.

所以当你在做课后题,或者考试的时候要画这些图时，最好把这些虚线放进去，既方便你自己也方便别人知道,这些分子轨道是从哪里来的。

麻省理工公开课 - 化学原理课程节选

The best example is when Julius Caesar has made himself master of Rome, but he's still behaving as though the republic exists.

于此最好的例子是,当尤利乌斯·恺撒成为罗马的统治者时,他仍然表现得仿佛共和体制仍存在似的

耶鲁公开课 - 古希腊历史简介课程节选

Mr. Carl Icahn: Well, I mean, that--I don't consider that being--that's barely a strategy. I think that when you buy something, the best is--that sounds simple.

卡尔·伊坎先生：嗯，我的意思是--我觉得那不算是,-那不算是一个策略，我觉得每当,你要买什么东西时，最好就是--听起来其实挺简单。

耶鲁公开课 - 金融市场课程节选

If you experience a lot of stress in high school and elementary school and were unhappy, generally the best predictor would say that you would feel the same way a month into your Harvard experience.

如果你在高中,初中时经历过很大压力而且不快乐，一般来说最好的预言家会说,在哈佛呆上一个月，你会有同样的感觉。

哈佛公开课 - 幸福课课程节选

When the programmers play these programs or indeed when anybody, a good chess player, plays these programs, the best way to try to beat them is simply ask yourself, "What's the best move to make right now?"

当程序员或其他任何人,玩这个程序时,比如,一个优秀的棋手,在玩这些程序时,战胜它们的最好办法就是,问问自己,现在怎么走才最为明智

耶鲁公开课 - 死亡课程节选

Egypt being the best example, so that no longer was war possible, but the flip side of that is, there was also another thing that was impossible -- freedom.

埃及就是最好的例证,所以当和平年代到来时,其对立面必然显现,即总有另一件事物,变得难以实现,那就是自由

耶鲁公开课 - 古希腊历史简介课程节选