So when I expand this gas adiabatically and it cools down, why do you think it might cool down?

现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？

麻省理工公开课 - 热力学与动力学课程节选

And I think you will wish you are continuing to make the investment in time. If you are down here, what I want you to do is talk to somebody.

我想你希望再接再厉,保持花在这么门课上的时间，如果你退步了，我要你做的就是和某人交谈。

麻省理工公开课 - 固态化学导论课程节选

You buy something that's down 30% but it's got another 50% to go and I think it just has to do with time horizon.

某资产价格下跌了30%,你买入,而后它反弹又上涨50%,我认为上涨只是时间问题

耶鲁公开课 - 金融市场课程节选

Then it's sort of...you can get out of hand I think India so far is leaning also towards bringing down barriers and opening their sight of economy as well.

这样的话，事情就比较棘手,我认为印度至今还是倾向于,降低壁垒,从长远考虑保持开放经济。

普林斯顿公开课 - 国际座谈会课程节选

But first, I want to start with the assignment I gave you last time, and I asked you all to think about these two questions and write some things down.

首先,让我们看看,上节课留的作业,我要求你们都思考,下面这两个问题并写下感想

耶鲁公开课 - 生物医学工程探索课程节选

It comes in front of me, almost rolls over top of me, runs me down, and then disappears to my right, so as we listen to this, you think about what are the techniques by which Musorgsky creates this musical action scene.

它来到我面前,几乎从我头上碾过,把我撞倒,然后从我右边消失,当你们听到这时,请你们思考穆索尔斯基用到什么技巧,用音乐创造这个动态的场景

耶鲁公开课 - 聆听音乐课程节选

And you can kick it down the road ... but somebody down the road... I think it's very important to make the tax cuts permanent to prevent the taxes from increasing It would be really a large drag on the economy.

你可以视若无睹,但总得有人来。,我认为，长期实行减税政策十分重要,这样可以避免税率增加,否则会极大地阻碍经济发展。

斯坦福公开课 - 经济学课程节选