Despite the constancy of these primal urges, human culture has experienced upheaval after upheaval in the period since our hunter-gatherer forebears roamed the savannas.
Despite the constancy of these primal urges, human culture has experienced upheaval after upheaval in the period since our hunter-gatherer forebears roamed the savannas.
尽管这些根本的冲动是恒定的，自从我们的狩猎–采集祖先在草原上活动以来，人类文化却经历了一次又一次的大变动。