Now, rather than go through this again and again, because frankly you can probably see where this goes before long we're gonna hit some problems.

现在，不是一次又一次做这些了，坦白说，你也许可以看到,我们马上要遇到一些问题。

哈佛公开课 - 计算机科学课程节选

I want to try to hit the points that I think are important to remember because they're going to be concepts that come up again and again throughout the course, and I want to make sure that we're on the same page.

我会讲一些我认为非常重要的内容和概念,这些内容和概念,将会在这个课程中反复出现,我要求每个同学都要完全掌握这些内容

耶鲁公开课 - 生物医学工程探索课程节选

Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.

想象下我有一个那种小雁颈台灯-,我把它放在桌子上，大概离桌子，有一英尺那么高吧,这样挺好的，我可以打开-,或者关闭这灯,并在这同时，我可以让我电脑,开始运行。

麻省理工公开课 - 计算机科学及编程导论课程节选

Again, let t* be the time when you hit the ground.

设 t* 为落地的时间

耶鲁公开课 - 基础物理课程节选