We make inferences to the existence of things we can't see, when doing that helps us to explain something we can't otherwise explain.

我们推断一些看不到的事物的存在,因为这样做可以便于我们,解释某些我们不相信就无法解释的事情

耶鲁公开课 - 死亡课程节选

And you know, I think he's doing a good job and at least when he speaks,

其实我觉得他做的不错，至少他在演说时，

两党制度的优缺点 - SpeakingMax英语口语达人

So, let's think about it, and let's think about what we're actually doing when we solve this.

确实更有效率的解决了问题,好，接下来让我们来想想,看我们实际上是怎么来解决这种问题的。

麻省理工公开课 - 计算机科学及编程导论课程节选

But in fact, I have to go there, and when going there, I have to reconceive of not just where I was, what I was doing, but in part who I am.

而事实上，我必须前进，并且当我在前进中，我不仅必须重新审视，我在哪里，在干什么，还要审视我是谁。

普林斯顿公开课 - 人性课程节选

Okay? So when you say that what you're doing is scientific in a context of this sort, you are making yourself vulnerable.

对吧？，所以在这种情况下你说自己所做的是科学的时,你就使自己站不住脚了。

耶鲁公开课 - 文学理论导论课程节选

We don't have to worry about links of time for the competition when you were doing a passive animation.

我们不需要担心,在此过程中的时间关联,像在被动型动画里所担心的那样。

麻省理工公开课 - 媒体、教育、市场课程节选

And in one year when he's doing this,he says, "These are the books that you should read and should not read."

有一年他在写信的时候，他写道，“这些是你们该读和不该读的书“

耶鲁公开课 - 新约课程节选

You might be winded doing it the second way, but when you get to the top and you are at the 60th story your gravitational potential is independent of how you got there.

对于走路你可能很抓狂，但你一旦到了顶层,你就是在第60层,你的重力势能,与你如何到达那里无关。

麻省理工公开课 - 固态化学导论课程节选

What I'm asking rather is remember earlier when I pointed to the caboose in doing so I started talking about the train.

我问的是,我之前指着车尾,我就开始谈论火车。

耶鲁公开课 - 死亡课程节选

So what I'm doing here is I'm cooling, and then when I'm sitting at a fixed volume and I'm increasing the pressure, what am I doing? I'm heating, right?

对了，因此在这里，需要冷却,而在这里，当体积不变增加压强时？

麻省理工公开课 - 热力学与动力学课程节选

But now, when more and more countries start doing it, maybe it won't work so well.

但是现在,随着越来越多的国家开始效仿,人们会发现也许这些制度并不完全有效

耶鲁公开课 - 金融市场课程节选

So doing a dietary assessment is really important to individuals, and to the nation, and to the world when we think about health consequences.

因此当我们想到饮食评估对个人,国家,甚至全世界健康的影响

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I kind of knew what I was doing when I walked down that road but anyway-you need to have a mix, even in a big company, of smaller entrepreneurial projects, bigger entrepreneurial projects.

当我开始创业的时候，只是了解一星半点,但是你们需要把各种事物综合来看，即使在大公司也是这样，把类型不同的创业共同对待。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

This should make sense because if something has a low ionization energy, that means it's not very electronegative, which means it's going to be a lot happier giving up electron density, which is essentially what you're doing -- when you're forming covalent bonds is you're sharing some of your electron density.

这应该是合理的,因为如果某物的电离能很低，这也就意味着它的电负性也不高，那么它就会更愿意,放弃一定的电子密度，而本质上这正是你在,形成共价键时所需要做的,分享你的一些电子密度。

麻省理工公开课 - 化学原理课程节选

And then, I mean when I started thinking about all the people issues and doing Psychology, it was like being in the university interacting with a lot of people that it kind of occurred to me that this would be something I was interested in, and like I knew how to do it so I just did.

当我学习心理学,开始思考人与人之间的关系，就像在学习之余,去结识不同的人,似乎我对这些更感兴趣，我知道如何去做，于是我就行动了。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

It is true mathematically, you can add two numbers, but you've got to ask yourself,"What am I doing as a physicist when I add these two numbers?"

在数学上它是正确的,你可以引入这两个常数,但是你需要问问自己,当我引入这两个常数时,这么做有什么物理意义

耶鲁公开课 - 基础物理课程节选