(figurative) It was the study of history that gave birth to the social sciences.
对历史的研究孕育了社
。
(figurative) It was the study of history that gave birth to the social sciences.
对历史的研究孕育了社。
It is still difficult to develop indicators for many concepts used in social science.
为社领域的许多概念确立一个指标仍然很难。
声
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，
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