As I handed them to him, I noticed that one had been torn in half and fixed with a piece of blue paper.

VOA: special.2009.01.17

How many times do you need to fold the piece of paper so that you can reach the moon.

需要折纸多少次,才能碰到月亮。

哈佛公开课 - 幸福课课程节选

If you have a piece of scrap paper with you, suppose that you've started your program as follows.

如果你有一张废弃的纸张，假如你已经开始了以下的问题。

哈佛公开课 - 计算机科学课程节选

Malashenko adds that shooting in Chechnya will not stop with the wave of a wand, or with a signature on a piece of paper, but Kadyrov will,nonetheless, try to show Moscow he can keep control of the republic with his own forces.

VOA: standard.2009.03.26

And I'm not expecting you to do that calculation here, because it involves the calculator, among maybe a piece of paper as well.

我并不期望你们去做这个计算,因为它需要一个计算器，也许还需要一张纸。

麻省理工公开课 - 化学原理课程节选

That test is the piece of paper you have in front of you.

这个测试就是放在你们面前的那张纸。

耶鲁公开课 - 心理学导论课程节选

The reason they call them coupons is that, in the old days, you used to actually--when you bought a bond, there would be a piece of paper and the piece of paper would have attached to it a lot of little coupons that you would clip.

这里被称作"票息"的原因是,在过去,当你买了债券的时候,会有一张纸,那张纸上附带了许多,你能剪下来的小纸票

耶鲁公开课 - 金融市场课程节选