It's an infectious disease; it is spread by--through the air.

它是一种传染病,通过空气传播

耶鲁公开课 - 生物医学工程探索课程节选

If you want to spread happiness, "Be the change you want to see in the world." By example.

如果你想传播快乐，“成为你想在世上见到的改变“，以身作则。

哈佛公开课 - 幸福课课程节选

Because it was precisely because of this one world, run by the Romans and maintained by the Romans, that allowed the spread of Christianity, to a great extent, both ideologically and thought-wise, as well as simply physically.

因为正是由罗马人统治维持的，这个统一的世界，给予基督教在大范围面积内广为传播的机会，不仅是在意识形态和智慧方面，还有物质条件方面。

耶鲁公开课 - 新约课程节选

Whatever happens to me, when it's spread out over six billion plus people, it ends up divided by six billion and it becomes unobservable.

发生在我身上的事，分散到六十多亿人口上，被六十亿除,就变得难以察觉。

耶鲁公开课 - 金融市场课程节选

People who came by land you would be hearing rumblings about down the road from villages that were spread out, but if somebody comes in from the sea on a ship, you may find them there in the morning and you don't know what's what.

陆上来客总伴随着车马隆隆声,沿着途经的村庄一路传来,但是如果有人乘船从海上到来,当他早上来到时你会发现,你对他一无所知

耶鲁公开课 - 古希腊历史简介课程节选

By the way, when we do grading for the class, what we're going to do is to spread the grading around the teaching fellows so that everybody's work is going to get graded evenly by all the teaching fellows.

还有,等到课程评分的时候,我们就会,让几位助教轮流来做,尽可能让每一位助教,都给大家的作业评分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选