有一件事，是肯定的：石器时代没有哪个聪明的主儿，有一天崩出个主意，要耕作，要饲养，那是因为这么做可以把人类伺候得更舒服。
One thing is for sure : there was no bright Stone Age individual who one day came up with the idea of breeding crops and animals because they might serve humans better .
天崩