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1·On a genetic level, the finding that members of a band are not highly interrelated means that “inclusive fitness cannot explain extensive cooperation in hunter-gatherer bands,” the researchers write.

从基因角度讲，狩猎组合中的成员并没有高度的血缘关系的发现意味着“广泛的适应并不能解释狩猎-采集组合中的高度合作”，研究人员写道。

2·On a genetic level, the finding that members of a band are not highly interrelated means that “inclusive fitness cannot explain extensive cooperation in hunter-gatherer bands, ” the researchers write.

从基因角度讲，狩猎组合中的成员并没有高度的血缘关系的发现意味着“广泛的适应并不能解释狩猎-采集组合中的高度合作”，研究人员写道。

3·On a genetic level, the finding that members of a band are not highly interrelated means that inclusive fitness cannot explain extensive cooperation in hunter-gatherer bands, the researchers write.

从基因角度讲，狩猎组合中的成员并没有高度的血缘关系的发现意味着“广泛的适应并不能解释狩猎-采集组合中的高度合作”，研究人员写道。