但是在美国历史上所有的曾面临过的两难境地中，我们可以做一个类比，最具有参考价值的莫过于1993年至1995年发生的波斯尼亚事件了。

But of all the possible historical analogies for the dilemma facing the United States, the most useful one may be the case of Bosnia from 1993 to 1995.

youdao

时间流逝缓慢有另外一个好处，理论上说，我们的一生可以行走不可思议的距离。

The slowing of time has another benefit. It means we could, in theory, travel extraordinary distances within one lifetime.

youdao

领先的健康组织都赞同，一个平衡的植物性饮食可以支撑一个健康良好的一生，并能帮助我们预防疾病，比如癌症和心脏病。

Leading health organizations agree that a balanced plant-based diet can support a lifetime of good health and can help protect against diseases such as cancer and heart disease.

youdao

And so he said, if you start off with a male and a female, at the end of one month they have an offspring. Let's assume they have two offspring. At the end of the next month let's assume those offspring have offspring. Again a male and female.

在13世纪的时候想要计算兔子的数量,就是一个月大的兔子,再过一个月就可以进行交配,所以它说如果你一开始有一公一母两只兔子,在一个月末它们就可以生小兔子,让我们假设它们生了两只小兔子。

麻省理工公开课 - 计算机科学及编程导论课程节选