So let's just to see how you run through some of those calculations. Now let me just ask who here took 5.111? And who here took 5.112?

那么让我们看看怎样,推导这些反应，现在让我问一下,这里有谁学过5。111？谁学过5。112？

麻省理工公开课 - 热力学与动力学课程节选

I want to share some of that with you so you can fast forward and get the understanding that took me much longer to get.

我想和你们分享一下心得,这样你们就能更快地进步,并理解我当初花了很久才理解的东西

耶鲁公开课 - 基础物理课程节选

If you took a best response to some believe, you can say I took this action because I believed other people are going to do this.

如果你针对自己的信念做出了最佳对策,你就可以说,我是所以这么做,是因为我认为其他人会那么做

耶鲁公开课 - 博弈论课程节选

you could imagine that this took some time to develop.

你能够想象,这种方法需要时间来发展

耶鲁公开课 - 生物医学工程探索课程节选

Somehow, if you could manufacture a really smooth frictionless surface, that if you took a hockey puck or something and an air cushion and you give it a push, in some idealized world, it'll travel forever.

如果你制造一个绝对光滑无摩擦的表面,然后在上面放个冰球或者别的什么,或者气垫,然后推它一下,在理想条件下,它会永远运动下去

耶鲁公开课 - 基础物理课程节选