rural population flow

• 农村人口流动

rural population flow的用法和样例：

例句

1. There are many foreigners in Shanghai, so the fluxion of population is very large.
   在上海有很多外地人，所以上海人口流动很大。
2. The census distinguished itself from previous studies on population movement in that.
   这次人口普查不同于以前的人口流动研究是因为。