比如，如果你们去看作业，第一个问题就是问，你如何通过查看过去ipod的销售量来推算，在以后十年内地球上将会有多少。

For example, if you look at your new homework, actually the first problem asks you to predict how many iPods will be on this planet in ten ipod years looking at past sales and how they behave.

youdao

我一问才知道他的一天要上四节课，于是我更加惊讶他一个星期完成作业的神速，我不相信我的速度有这么慢。

I know the day will have four classes, so I am even more surprised him a week to finish your homework quickly, I can't believe my speed is so slow.

youdao

我一问才知道他的一天要上四节课，于是我更加惊讶他一个星期完成作业的神速，我不相信我的速度有这么慢。

I know the day will have four classes, so I am even more surprised him a week to finish your homework quickly, I can't believe my speed is so slow.

youdao