The increasing number of migrant workers led directly to an increase in the number of children left behind in rural areas. This is mainly due to the household registration system and restrictions of economic income.
The increasing number of migrant workers has led directly to the increase in the number of children remaining in rural areas. This is mainly due to the restrictions on household registration and economic income.
The increasing number of migrant workers directly leads to the increase of the number of children left in rural areas. The main reason is the restriction of household registration system and economic income.<br>