There's the hard sphere. It wants to collide against the wall to create a force on the wall, and I have a couple of the hard spheres that are nearby, right, and in the absence of any interactions, I get a certain pressure.

给墙一个作用力,现在它的附近，还有许多小球,没有相互作用时,它将直接冲向这面墙。

麻省理工公开课 - 热力学与动力学课程节选

The first step in the process is when I was Deputy WHCF, that I put on the wall a big white board calendar.

程序的第一步是,当我还是办公室副主任，我在墙上安了个,白色的日历板。

普林斯顿公开课 - 国际座谈会课程节选

When I give a talk on Wall Street or even somewhere else in the world I sometimes ask my audience, "Did you take my course?"

当我在华尔街做讲座时,或者是世界上其他的地方,有时候我会问我的听众,你们有谁上过我的课吗

耶鲁公开课 - 金融市场课程节选

If, like you--, I think most of us picture these things up from a perspective in a corner of the room, up on the wall, looking down, kind of a fly's perspective.

我想我们中大部分人都会,从屋子一角开始想象这个画面，从墙头往下看，好像飘浮在空中一样。

耶鲁公开课 - 死亡课程节选

That means that you can go through twenty years of a career on Wall Street and all you've observed is observations in the central region.

这就是说,你在华尔街混了二十年,所有观察值都集中在中心区域

耶鲁公开课 - 金融市场课程节选