A third explanation invokes the concept of a nonzero-sum game, and was worked out in the book "Nonzero" by the journalist Robert Wright. Wright points out that in certain circumstances, cooperation or non-violence can benefit both parties in an interaction, such as gains in trade when two parties trade their surpluses and both come out ahead, or when two parties lay down their arms and split the so-called peace dividend that results in them not having to fight the whole time.
第三种解释用了“非零和游戏”的概念， 在记者罗伯特怀特的书“非零”中 有所讲述。怀特指出在特别情况下 合作，包括非暴力的，能够对相互的双方 都有利，比如交易的所得，当双方交换 他们的盈余，或者当双方 放下武器，分离所谓的和平界限 从而不会再发生战争。