retirement protection system

基本解释

Information on the Mandatory Provident Fund ( MPF ) System ( retirement protection ).
强积金制度的资料（退休保障）。

Nor do we believe that whistleblower protection laws can or should apply to a trustee and fiduciary of a retirement system — one who has a fiduciary obligation to disclose pertinent information to KRS so the board and staff can protect the fund.
FORBES: SEC Asked to Do More to Protect Whistleblowers
On April 17th, the Northern Mariana Islands public employee retirement system became the first U.S. public pension fund to seek bankruptcy protection.
FORBES: Failure to Heed Early Warnings Led to First Bankruptcy of U.S. Public Pension