But it turns out though simple, though, some of these puzzle pieces actually are, we can actually start to do very interesting things very quickly.

虽然这些，拼图确实简单，但是我们可以很,迅速地利用它们。

哈佛公开课 - 计算机科学课程节选

And the trick to a puzzle box is there's a simple way to get out but you have to kind of pull on something, some special lever, to make it pop open.

这个谜笼的设计是这样的,只要小猫拉动一个东西,它就能够逃出去，拉动一个特殊的杠杆，迷笼就会打开。

耶鲁公开课 - 心理学导论课程节选