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1真题出现次数
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In a paper published in the Journal of Child Psychology and Psychiatry, researchers said that the western nuclear family was a recent invention which broke with evolutionary history.
在发表于《儿童心理学与精神病学杂志》的一篇论文中，研究人员称，西方的核心家庭是近代才出现的，它与人类的进化历史背道而驰。