S. ; includes old-age and survivors insurance and some unemployment insurance and old-age assistance.

包括老人和幸存者的保险费以及一些失业保险和老年补助。

youdao

S. ; includes old-age and survivors insurance and some unemployment insurance and old-age assistance.

包括老人和幸存者的保险费以及一些失业保险和老年补助。

youdao