人能誕生到這個世界，你可以稱之為命運使然。但某個具體精子能否與卵子結合，首先就因空卵巢的存在，而50%概率的淘汰機製。

來源: VGT777 於 2024-03-11 16:45:36 [舊帖] [給我悄悄話] 本文已被閱讀：次

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