Early studies focused on the reproductive cost of private cost. Including direct costs and indirect costs.

早期的生育成本研究侧重于私人成本，包括直接成本和间接成本。

youdao

Early studies focused on the reproductive cost of private cost. Including direct costs and indirect costs.

早期的生育成本研究侧重于私人成本，包括直接成本和间接成本。

youdao