在当前对联邦赤字的担忧中，“伸手摘星”的尝试似乎是一种可有可无的奢侈——似乎只要一年省下千分之一的预算就能解决我们的问题。

Amid the current concerns about the federal deficit, reaching toward the stars seems a dispensable luxury—as if saving one-thousandth of a single year's budget would solve our problems.

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然而，千分之一的孩子是生来什么都听不见的。

About one child in a thousand, however, is born with no ability to hear whatsoever.

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查克拉·巴蒂说她的方法只能应用于卫星星系质量只有主星系质量的千分之一的星系。

Chakrabarti says her method should work for satellites as small as one one-thousandth the mass of the host galaxy.

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So, what autism is a disorder that strikes about one in a thousand people, mostly boys.

孤独症的发病率约为千分之一,病患多是男孩

耶鲁公开课 - 心理学导论课程节选

If the probability is 1 in 1,000 that a house burns down and there are 1,000 houses, then the probability that they all burn down is 1/1000 to the 1000th power, which is virtually zero.

如果一栋房子着火的概率是千分之一,然后假设有1000栋房子,那么这一千栋房子全都着火被烧掉的概率,就等于千分之一的一千次方,基本上就是0了

耶鲁公开课 - 金融市场课程节选