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200年前美国人口多少?直接给你答案:“It was conducted on August 4, 1800. It showed that 5,308,483 people were living in the United States”,LZ文里:“这个时候的苏州的人口差不多百万”。狩猎获得的基本是肉食,米粮需要耕种,唉。。。

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