Altruism "is the biologists' term meaning kindness, generosity, and evolutionary biologists have worked really hard to explain why animals might evolve to be kind."
利他主义是生物学术语，意思是善良，慷慨，进化生物学家努力去解释，为什么动物进化趋向善良。
Altruism "is the biologists' term meaning kindness, generosity, and evolutionary biologists have worked really hard to explain why animals might evolve to be kind."
利他主义是生物学术语，意思是善良，慷慨，进化生物学家努力去解释，为什么动物进化趋向善良。
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