Some of those is hard to put a price on, but I would say through the entire show we got to have $50,000, sitting in the show at one time.

VOA: standard.2010.02.21

What I did last time was to show you how to handle motion in more than one dimension.

上节课的内容,是用多维矢量描述运动

耶鲁公开课 - 基础物理课程节选

It'll still likely get stuck in that spot, but we'll just show you one more time the effects of the UV light, and actually we'll throw in an extra trick here, too.

它仍然像是在那点卡住了，但是我们还是会再展示一次,紫外光源的效应，事实上，我们也会引入一个新的技巧。

麻省理工公开课 - 化学原理课程节选