火箭发动机给汽车提供大量的动力，但是操作它只是开或关。

The rocket gives the car plenty of power, but it is either on or off.

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但是，斯潘塞告诉他的朋友汉弗莱•伯加特，他不认为他能熬过这一关。

But, Spencer told his friend Humphrey Bogart, he didn't think he could go through with it.

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但是英格兰国脚在接到马卢达的头球摆渡形成单刀后并没有攻破桑德兰门将费洛浦的十指关。

But the England international failed to beat goalkeeper Marton Fulop after Malouda's header had put him clear of the Sunderland defence.

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But at the end of the day, and here's why we just went with binary and not decimal years ago, when you have one implement a computer with a physical device, it's actually really easy to represent the notion of on or off.

但是最终，之前我们采用二进制,而不是十进制，主要是因为当我们用一台实体机器运行计算机时，这实际上很容易用开或者关的概念来表示。

哈佛公开课 - 计算机科学课程节选