你可以按这个按钮叫电梯。

You may push this button to call the elevator.

youdao

我按这个按钮看下哪一个精灵控制着他。

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

youdao

如果我按这个按钮会怎么样呢。

What will happen if I press this button.

youdao

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。

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