养老保险endowment insuranceOld-age insurance这一规则暗示养老保险可能是可以转移的,但是并没有说明这究竟怎么运作---退休的外籍人士很难获得在中国的永久居住权。The rules suggest that pensions may be portable, but do not say how exactly this will work—and it is difficult for retired foreigners to obtain permanent residency in China.