且父母辈在子女辈的教育上普遍具有利他性念头，也确切能够从中得到一定的精神效用的补偿。
And parents generally have the altruism motivation on children's education, from which parents indeed receive the compensation of certain spiritual utility.
动物的生命中有大量时间是用于繁殖的，我们在自然界所观察到的利他性自我牺牲行为，大部分是父母为其下一代做的。
Much of an animal's life is devoted to reproduction, and most of the ACTS of altruistic self-sacrifice that are observed in nature are performed by parents towards their young.
动物的生命中有大量时间是用于繁殖的，我们在自然界所观察到的利他性自我牺牲行为，大部分是父母为其下一代做的。
Much of an animal "s life is devoted to reproduction, and most of the ACTS of altruistic self-sacrifice that are observed in nature are performed by parents towards their young."
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