It is to give you another chance to hunt and trap this winter.

VOA: special.2010.06.26

So obviously, not a good thing, but amazingly easy to fall into this trap.

天呐，他真棒，所以很明显，这不是一件好事，但是很容易上当。

麻省理工公开课 - 计算机科学及编程导论课程节选

And you can see why people can fall into this trap, right?

你可以看到为什么人们会上这种当，这很有道理？

麻省理工公开课 - 计算机科学及编程导论课程节选

I was just going to--I don't know if this is one of the things, you can eat it and you can metabolize it and trap the energy.

我想说,我也不知道说的对不对,可以食用,被代谢,并从中获取能量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, what you do is you set up a couple of displays, one where the block is stopped, the other one where you take this away with a trap door and it keeps going.

所以,你可以设计几个演示,一个是木块被挡住了,另一个是用活门把木块挪开,使得屏板继续上升

耶鲁公开课 - 心理学导论课程节选