The other quick thing I want to say is that I do have office hours today from 3 to 5, so feel free to stop by if you have questions about problem-set 3 that you're finishing up.

我还想说一件小事,我今天的答疑时间是三点到五点，如果你对于第三次作业还有任何疑问,请在这个时间段来找我，不必客气。

麻省理工公开课 - 化学原理课程节选

But just to hammer home this point, if I could, we have time for one awkward demonstration.

但是这个时候为了再三强调到彻底的了解，如果可以的话，我们还有时间做一个不太好的示范。

哈佛公开课 - 计算机科学课程节选

And if we have time today, we'll start in on the photo-electron spectroscopy, if not, that's where we'll start when we come back on Wednesday.

而且如果我们今天还有时间，我们将会开始光电子频谱，如果没有,我们将会在下周三回来时开始。

麻省理工公开课 - 化学原理课程节选

- And it's worth--; it's sort of a useful test for asking yourself -- what are the things you must value in life-- to ask, what would you choose to do if you knew you had five years, ten years, ? what have you?

而这值得;,这算是一种很有用的测试,用来问自己什么是你在生命中必须珍惜的事-,问你会怎么选择,如果你知道自己还有5年，10年，之类的时间？

耶鲁公开课 - 死亡课程节选

But if you're the type who prefers to be bed by midnight, that's quite okay too; there'll be plenty of time to work on the project.

但是，如果你习惯半夜睡觉，也同样可以,你还有足够的时间完成这个项目。

哈佛公开课 - 计算机科学课程节选