You have them in hunter-gatherer societies, but then through technological evolution, new forms of technology arise that facilitate or encourage the playing of non-zero-sum games, involving more people over larger territory.
在人类采集狩猎的时代，就有非零和博弈。 然而随着技术进步，新的技术不断兴起， 促进了非零和博弈的发生。 参与其中的博弈者，其分布也越来越广。