在三十年代有很多麻疯病人。

There were many people with leprosy around the age of thirty.

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据人们相信它曾在三十年代或更早被一个英国家庭收购。

It is believed to have been acquired by an English family during the 1930s or earlier.

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图中很清楚的显示出在三十年代，G.D.P.下跌的更厉害。

The chart clearly shows that G.D.P. fell further in the nineteen-thirties.

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The U.S. was practically the last country to copy this system because, in the 1930s, because it didn't sound American.

美国几乎算是最后一个效仿此体系的国家,因为在上世纪三十年代。

耶鲁公开课 - 金融市场课程节选

In a working-class family, an immigrant working-class family in particular, by the '30s and '40s,a child meant income, a child meant a worker.

在三十和四十年代的工人阶级家庭,特别是外来移民的工人家庭,一个孩子意味着收入增加,意味着增加了一名工人

耶鲁公开课 - 美国内战与重建课程节选

What happened in the 1930s was that one country after another abandoned the gold standard.

在二十世纪三十年代发生的是,一个接连一个的国家放弃了,金本位制度。

耶鲁公开课 - 金融市场课程节选