Modern paper-making began in China about two thousand years ago.

VOA: special.2009.07.06

If I were to hold up two pieces of paper, there's a sense in which they are participating in "Twohood."

如果我拿起两张纸,便有这样一层含义,即,这两张纸分有了 二性

耶鲁公开课 - 死亡课程节选

There are only three assignments: two six-page papers, that I'll explain how to do. One is a exegesis paper, and we'll spend a whole section discussion talking about what we mean by exegesis and teaching you how to do it.

有三项作业：2篇6页论文，我会讲具体要求的，一篇是注释论文，我们花一整节讨论课,讲什么是注释，如何写注释论文。

耶鲁公开课 - 新约课程节选

In light of the fact that I have just sent you paper topics, my lecture today is going to do two things.

根据我刚发给你们的论文题目，我今天的课程将要完成两件事。

耶鲁公开课 - 1945年后的美国小说课程节选

You put it between two pieces of paper, then you write on the top one and it creates as copy on the bottom one.

你将它放在两张纸之间，然后你在上面那张纸上写字,下面那张纸上就会复印下来。

耶鲁公开课 - 金融市场课程节选

If I were to rip these pieces of paper, I wouldn't be destroying the number two.

要是我把这些纸撕碎,数字2并没有被我给损毁了

耶鲁公开课 - 死亡课程节选

I am now writing a paper with two other people.

我现在就在和另外两个人一起写论文

耶鲁公开课 - 基础物理课程节选

The first paper is going to ask you to write about one short poem; the second will ask you to write about two or more poems, or poems perhaps by two authors, or perhaps a poem and some other kind of text or image.

第一篇论文会要求你们介绍一篇短诗;,另一篇则是要求描述几首诗，或者是任意两位作者的诗，又或者是一首诗以及一篇课文或者一幅图画。

耶鲁公开课 - 现代诗歌课程节选

So input is an int called F, print out to the screen or your piece of paper the value of C. Odds are you only need two, maybe three lines of code for this, but the goal ultimately will be try it on your own.

所以输入是一个int类型的F，在你的屏幕上,或你们的纸上打印出C的数值,可能你们需要两行或者三行的代码,但是最终的目标需要你自己独自尝试。

哈佛公开课 - 计算机科学课程节选

And, in the final development of your paper, making sure that those two can relate to one another.

还有，在你们论文的最后发展，保证,那两点之间是相互联系的。

耶鲁公开课 - 1945年后的美国小说课程节选

So the paper length-- there are two papers required, and there is a final exam the paper length is designed to be quite large.

所以论文的长度-我们要写两篇论文，还有一个期末考试,论文的篇幅要较长。

耶鲁公开课 - 1945年后的美国小说课程节选

So, if you bought a newspaper it would be only two sheets because it was so expensive-- not all the thick paper that we have today-- and it would cost something like $10 or $20 in today's prices.

你要是在当时买报纸的话,恐怕只有两页纸,因为纸实在是太贵了-,而且我们现在用的那种厚纸很少见-,按照今天的物价水平,大概需要10至20美元。

耶鲁公开课 - 金融市场课程节选