But he acknowledges it is not pure altruism.
但他承认，这并非基于纯粹的利他主义。
Pure altruism is giving without regard to reward or the benefits of recognition.
纯粹利他主义是不考虑给予报酬或好处的认识。
According to Robert Trivers of Rutgers University in New Jersey, pure altruism is a mistake.
根据新泽西州拉特·格斯大学的罗伯特·特里弗斯，纯粹的利他主义是个错误。
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