谢谢农博答疑，原来你们学校退休待遇这么复杂，看来我是too simple, sometimes too naive了

我也有pension，要交SS tax. pension是学校管理，自己动不了。pension 很好 (probably one of the best)，service credit (number of service years)*(highest 3 year average salary)*0.025 (if retire after 60).