In quite old times people lived on hunting and fishing.
2
生活在农业社会的人们吃更多的淀粉,比生活在狩猎或渔猎社会的人们有更多份数的淀粉酶基因。
People who live in agrarian societies eat more starch and have extra copies of the amylase gene compared with people who live in societies that depend on hunting or fishing.
3
西方国家秉承着游牧民族、航海民族的文化血统,以渔猎、养殖为生,传统饮食习俗以动物性食料为主。
In western countries, uphold the nomadic culture lineages, sailing for hunting, breeding, traditional diet custom to animal diets.