There we go. Now if I do this, an infinite number of times, we should get roughly 50/50, but now we have the ability to do things only once in awhile.

开始，如果我们，不停地按这个按钮，我们大致会有一半的机会听到猫叫，但是我们每次只有一次按按钮的机会。

哈佛公开课 - 计算机科学课程节选

I can click on this guy to see what sprites are controlling him.

我按这个按钮看下哪一个精灵控制着他。

哈佛公开课 - 计算机科学课程节选

And then of course, the point of the skit is he presses the down button on the elevator and a minute and a half goes by while he's waiting for the elevator to come.

当然，这个滑稽短剧的笑点是,他按下了电梯按钮,花了一分半,等电梯。

耶鲁公开课 - 死亡课程节选

And then at top right there's this longer sentence to purchase new Charlie ticket, value tickets and passes, press here.

然后，右上边没有说明,怎样购买Charlie票，票值是多少,按这个按钮。

哈佛公开课 - 计算机科学课程节选