oversell
/ˌəʊvəˈsel/verb
(past and past participle -sold)with obj.
1- sell more of (something) than exists or can be delivered（超出供应力地）过多出售：
he defrauded investors by deliberately overselling time shares.
他故意超量出售分时度假住房来蒙骗投资者。
1.1
- exaggerate the merits of过分吹嘘：
computer-aided software engineering has been oversold.
计算机辅助软件工程的优点被夸大了。