回复：Tahnks a lot! but why I got a letter from Social Security

来源: 于 2008-04-16 14:10:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Being F-1, you don't have to pay SS while you may choose to do so which earns you credit, which benefits you at your retirement.