He comes from an upper-middle class family. Neighbors in this town of 5,000 are saddened by the news.

VOA: standard.2010.05.06

But, I'd ask you, 5 since the class doesn't end until 11:55 there's no need to be gathering things up and snapping binders and so on.

但是，我会问你，因为到11：15才下课5,没有必要把东西凑到一块儿,并且仓促的弄在一起。

麻省理工公开课 - 固态化学导论课程节选

So I ended up sleeping maybe 4 or 5 hours and going to class.

结果我只能睡四五个小时，然后就要去上课。

耶鲁的忙碌生活 - SpeakingMax英语口语达人

And we have class from 8 to 5.

我们的课程从早上八点到下午五点。

哈佛公开课 - 幸福课课程节选

So imagine there were three people in the class, and imagine that they chose 25,5, and 60.

假如有三个人,他们分别选了25,5,60

耶鲁公开课 - 博弈论课程节选