And the basic idea of kin selection is that, if an animal feels compassion for a close relative, and this compassion leads the animal to help the relative, then, in the end, the compassion actually winds up helping the genes underlying the compassion itself.
亲缘选择的基本想法是， 如果一个动物对近亲有同情的感觉， 而且这种同情使这个动物去帮助这个亲戚， 最终，这种同情心事实上帮助这个基因 隐含在这个同情心本身。