伯克按下按钮，电梯开始了其缓慢的上升。

Burke pushed the button and the lift began its slow ascent.

《柯林斯英汉双解大词典》

当跑步结束的时候，我只要简单地按下当初开始跑步时候启动的同一个按钮。

When my run was done, I simply pressed the exact same button that I did to start the watch.

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我已经按了开始按钮。

I've pushed the start button.

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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