In fact, most people don't even agree to us in this, they believe in reciprocal altruism in the long run.

事实上，大多数人不同意这个观点，他们相信长远来看的互利主义。

The other route to co-operation is reciprocal altruism of the you scratch my back and I'll scratch yours variety.

另一种合作方式是互惠利他主义，即“你帮我，我帮你”。

And the answer is " cheater detection." Reciprocal altruism can only evolve if animals are wired up to punish cheaters.

答案是“作弊者检测”。只有当动物有能力惩罚作弊者时，互惠利他主义才能发展。

Now a lecturer at Dartmouth College in Hanover, he is eager to use New Hampshire to test libertarian theories about enlightened self-interest and reciprocal altruism, small government and large networks of voluntary institutions.

如今在汉诺威市达特茅斯学院任讲师的他，急切地想用新罕布什尔州测试自由主义中，关于开明利己主义、互利主义、小型政府和庞大志愿组织网络等理论。