Biological research shows that killing members of the same species, generally speaking, would reduce reproductive success.

生物研究表明杀死同伴, 总得来说, 会降低生繁殖的成功.

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These biases have been built into our psychology to enhance people's reproductive success.

这些倾向已经深入我们的心理,以促进人类的繁殖成功.

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He found a similar link between the dark triad and reproductive success in men.

这项调查也证实了男人的坏属性与繁殖能力之间的联系.

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