The Yuan, Ming and Qing dynasties were also prosperous periods during which more than 400 varieties were used as common implements and as ornaments.

元明清时期，也是繁荣的时期，400多个品种作为共同的工具和装饰品。

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During the prosperous periods of China, why would a large number of diplomats and scholars have been sent to China from the west continually to study?

在中国还没衰落之时，外国又有什么必要当初一个劲向我们这边派“遣唐使”和各种学者主动来华学习取经呢？

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Researchers have noted that during stressful times, such as periods of mass unemployment, people's heights tend to be shorter than during prosperous times [source: Steckel].

研究人员注意到，在艰苦岁月中，比如大量人失业的年代，人们的身高比繁荣时期要矮[来源：steckel]。

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Instead of disaster, one of the most prosperous periods the country ever enjoyed began.

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We remember the Bretton Woods era as one of the most successful and prosperous periods in all of U.S. history.

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Top Russians like to cite examples such as Chile or Taiwan, which have emerged as prosperous democracies from periods of more or less authoritarian rule.

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