A Role Mode  

作　　者：Zhang Shasha 

机构地区：[1]不详

出　　处：《Beijing Review》2019年第4期34-35,共2页北京周报（英文版）

摘　　要：Li Zhi,a postgraduate student at the Chinese Academy of Sciences,always orders his lunch online.On January 4,when he and his two roommates happened to order their takeout lunch from the same restaurant around the same time,to their surprise,the delivery fee varied.While one paid 3 yuan ($0.44),the other two paid different sums. The fluctuation was by no means an accident.

关 键 词：POSTGRADUATE STUDENT roommates happened AROUND the SAME TIME 

分 类 号：G2[文化科学]