Six months out, more people who had quit abruptly had stuck with it—more than one-fifth of them, compared to about one-seventh in the other group.

六个月后，选择突然戒烟的人中有超过五分之一的人坚持了下来，而另一组只有七分之一。

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Almost half of all black children are being raised by two parents, and a third of them are being brought up in poverty, compared with one-seventh of white children.

大约只有半数的黑人儿童由父母双亲同时抚养，有三分之一的在贫困的环境下长大，相比之下，白人儿童中这一比例只有七分之一。

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In South Korea, one-seventh of marriages in 2005 were to "Kosians" (Korean-Asians).

在韩国，2005年七分之一的婚嫁是韩亚婚姻(韩国—亚洲)。

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So the voting continued. Finally,on the forty-seventh ballot, support began to increase for one of the minor candidates.

VOA: special.2009.04.16

They tend to be just triads whereas in classical music we can have a triad but we can also add a seventh note with one,three,five,seven,nine,eleven, that kind of thing.

流行乐一般只用三和弦，但是古典乐可以用三和弦,也可以在上面加上七音，一，三，五，七，九，十一，诸如此类的。

耶鲁公开课 - 聆听音乐课程节选

In the most famous of these letters, the lengthy seventh one, he gives us, again, something of an autobiography and tells us a little bit about why he came to write this book.

这些书信中最著名的，是冗长的第七封，他写下类似自传的东西,并简单地讲述了,为何他要写这本巨著。

耶鲁公开课 - 政治哲学导论课程节选

This corresponds to more than one seventh of the average annual OECD growth rate in the last decade.

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Greece is only 3% of the Euro zone GDP, while California alone is one seventh of the U.S. GDP.

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Yes, this does mean that one seventh of humanity hit a Google web page in just that one calendar month.

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