While agriculturalists rely on domesticated plants, pastoralists rely on domesticated animals.
农民依靠种植作物为生，而牧民则依赖于驯养牲畜。
2
As a result, pastoralists, like carnivores in general, occupy a higher position on the food chain.
因此，牧民和广义的食肉动物一样，在食物链中地位更高。
3
Perhaps the most striking sign of mobility is the fact that by the third millennium B.C., most pastoralists in this huge region spoke related languages ancestral to the modern Indo-European languages.