So fruitful is their land that they are spared the evil necessity of traveling on ships and there you have an interesting point about the Greeks.

他们的土地丰饶,这一切让他们远离了航行的厄运,这时你会发现关于希腊很有趣的一点

耶鲁公开课 - 古希腊历史简介课程节选

Because as you'll soon find, when you're writing programs 0 that aren't just four lines long but are 40 or 400 which very quickly becomes easy, you'll find that even you the next morning have no idea what this code does for whatever reason, and just having some English comments is a huge boon to comprehension for yourself and others.

你们自己写程序时就会发现,用40行甚至400行代码来代替繁杂拥挤的4行代码0,将会让事情简化许多，你会发现，即使由于某些原因,你不知道如何写代码，先写些注释，于人于己，都是好事,易于理解嘛。

哈佛公开课 - 计算机科学课程节选

You'll see enough things that will confound you, but right now I want to demonstrate a simple paradigm of what it means to know the present and what it means to say this is what the future behavior will be.

你将会发现很多物理问题会让你困扰,而眼下我会举一个例子来阐述,什么叫了解现在,什么又叫预测未来

耶鲁公开课 - 基础物理课程节选

Or in many kinds of gas refrigerators where you push a gas through a nozzle close to room temperature, what you find is that the gas coming out on the other side under lower pressure is cooler than the gas that went through on the other side.

或者在很多种压缩气体式冰箱中,你让气体通过接近室温的管口,你会发现从压力低的一边,出来的气体比通过,另一边的气体更冷,真正的冰箱实际上通过。

麻省理工公开课 - 热力学与动力学课程节选