为人父母生育过多子女，存活的后裔只会少，不会多，因为他们没有能力照顾子女。
Parents who bred too exuberantly would leave fewer descendants, not more, because they would be unable to care adequately for their children.
她会避免攻击行为。来自杜伦大学的安妮发现，女人之所以会回避攻击行为，源自于自己的存活是子女得以更好生活的保证。
She avoids aggression. Women may have evolved to avoid physical aggression because of the greater dependence of children on their survival, suggests Anne Campbell of Durham University.
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