The diadactic structure of the household registration system made people's free migration to towns and cities difficult.

排除城市化的一系列制度障碍，实现人口向城市的自由迁移。

youdao

The diadactic structure of the household registration system made people's free migration to towns and cities difficult.

排除城市化的一系列制度障碍，实现人口向城市的自由迁移。

youdao