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人类最可能是在六七百万年前起源于非洲,大约于200万年前走出非洲,向亚洲和欧洲扩散,那时还是猿人,不是现在这个形象,现代人何时出现于何地?科学上有多种假说。
It is most likely that humans originated in Africa sixty-seven million years ago and out of Africa about two million years ago to spread to Asia and Europe when it was still ape-man, not the present-day man, and the time when modern man appeared. There are a variety of hypotheses.