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我們為何不像遠古人類縱情濫交？
Friday, April 29, 2016 15:42
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與一名伴侶廝守終身聽上去並不是很有意思的想法，至少從進化的角度來看是這樣。男性精子量豐富且源源不絕，如果僅僅是投資在一名女性身上似乎不能使男性獲取最大收益，因為女性往往要花很長的時間才能培育後代。擁…

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