That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

My personal feeling is that my two girls, they're both quite clever

我个人的感觉是我的两个女儿，她们都非常聪明，

学习靠自觉 - SpeakingMax英语口语达人

So, for example, we'll spend whatever it is, maybe a week and a half talking about the nature of personal identity, two weeks.

所以，举个例子来说，我们无论花什么，也许一个半星期会谈论,个人身份的本质，二个星期。

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