火鸡大小的变化始于二十世纪三十年代。

The change in turkey size actually began in the 1930s.

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有关二十世纪三十年代贸易壁垒的数据踪迹难寻。

Comprehensive data on 1930s trade barriers are hard to find.

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二十世纪三十年代，恭亲王府被辅仁大学买下办学。

In the 1930s, the palace was bought by Furen Catholic University.

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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。

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There was, in the 1930s, a psychologist who tried to address this second question.

二十世纪三十年代，有位心理学家试图解决第二个问题。

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Well what it means is that starting in the 1930s we began to think of central banks as managing the money stock to stabilize the economy.

好吧，它意味着从二十世纪三十年代开始,我们就认为中央银行是,为了稳定经济而,管理金融债券的。

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