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

You just pay it every month and then you just stop paying at the end of thirty years.

你每个月定期还款,直到第30年末停止偿还

耶鲁公开课 - 金融市场课程节选

Oh, well I'm hoping you could find a way to lift the end of the show here so... ... So try to find... Three month from now, will the United States be in a recession or not?

噢，还指望你会说点什么,来为这次节目压轴呢。,才试图。,3年之后，美国是否会陷入经济衰退？

斯坦福公开课 - 经济学课程节选

That's because, at the end, if- -suppose you're one month or two months away from the payoff of the mortgage, you don't have any balance left, so the interest that you're paying is -hardly any balance left--is very low and so you're payment is paying off principal, mostly.

这是因为,在最后,如果,假设你还剩1到2个月,就可以还清抵押贷款,那么剩下的贷款余额就很少了,因此你所需要付的利息,将会非常少,因为贷款余额几乎为零,此时你偿还的就主要是本金

耶鲁公开课 - 金融市场课程节选