We are a pair-bonding species. Ninety-seven percent of mammals do not pair up to rear their young; human beings do.

  • 我们是双纽带的种群,97%的哺乳动物不用成双成对地抚育儿女,但人类却是这样的。

  • 互联网摘选 2025-01-20 17:14:04

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