Many people believed the depression would end if the government issued more paper money backed by silver.

VOA: special.2010.07.01

There's a mid-term exam halfway through and a final exam at the end, and there's a term paper which is due near the end of the course.

我们在学期中和学期末,分别会有期中考试和期末考试,在本学期快结束时要求写一篇学期论文

耶鲁公开课 - 生物医学工程探索课程节选

So if you can have a piece of paper here, and you fold it 41 times by the end of the class, you can reach the moon.

如果你们有一张纸，再在下课之前折叠41次，你就能碰到月亮。

哈佛公开课 - 幸福课课程节选

Large machines started to be used for making paper near the end of the 16th century.

VOA: special.2009.01.26

And they end this paper with the following quote: "It may be that trying to be happier is as futile as trying to be taller " and is therefore counterproductive."

论文用以下这句话作结尾：,“想变得更快乐,和想变高一样徒劳,只会适得其反“

哈佛公开课 - 幸福课课程节选