"You think you've got your own computer all to yourself and you can't tell the difference that you're working on something other than a computer and sharing this other resource and doing it at a much lower cost than having your own PC."

VOA: special.2010.04.12

When we're doing something that is interactive, we have to cut down on the detail of what we're doing because we can't support that in real time, but nonetheless there're lots of things we can do interactively.

当我们在做一些,互动性的项目时，我们需要减少,正在做的细节,因为在实际时间里,我们并没有足够时间支持它，但是还有很多其他东西,可以做得具有互动性。

麻省理工公开课 - 媒体、教育、市场课程节选

I saw you sitting on the step and writing something. What were you doing?

我看见你坐在台阶上写什么。你在干什么呢？

沟通很重要 - SpeakingMax英语口语达人

Suppose you want to train somebody to do something and you want the training such that they'll keep on doing it even if you're not training them anymore, which is typically what you want.

假设你想训练某人做某事,你想要找到一种训练方法,使得他们即便不再接受训练,也依然能够持续展现某种行为，而这正是你想要的。

耶鲁公开课 - 心理学导论课程节选

About 10 to 15 years later, another physicist, Ernest Rutherford, actually put this plum pudding model to test, Ernest Rutherford and he did it through studies that he'd been doing on radiation that was emitting something called alpha particles.

因此我们要，在上面再做改进,大概过了10到15年，另外一个物理学家,用实验来检测这个李子布丁模型,他一直从事alpha粒子辐射研究。

麻省理工公开课 - 化学原理课程节选

It was invented by a mathematician called Bellman. And he was at the time being paid by the Defense Department to work on something else. And he didn't want them to know what he was doing. So he made up a name that he was sure they would have no clue what it meant.

一点儿道理也没有,它是一个叫Bellman的数学家发明的,那时受聘于国防部研究一些其它东西,它不想让它们知道她在研究什么,所以它编造了一个,它们不会知道意义的词语。

麻省理工公开课 - 计算机科学及编程导论课程节选