superannuation
/ˈsjuːpəˌrænjʊˈeɪʃən/noun
mass noun［usu. as modifier］
1- regular payment made into a fund by an employee towards a future pension养老保险金：
a superannuation fund.
养老保险基金。
1.1
- a pension of this type paid to a retired person退休金。
1.2
- the process of superannuating an employee领养老金退休。