送外卖怎么啦？张益唐得奖之前，送了好多年外卖呢。

来源: 于 2019-03-20 13:56:32 [旧帖] [给我悄悄话] 本文已被阅读：次

Prior to getting back to academia, he worked for several years as an accountant and a delivery worker for a New York City restaurant. He also worked in a motel in Kentucky and in a Subwaysandwich shop.