sell oneself meaning in English

出卖自己, 自荐, 卖淫

Today society , needs you to reveal diligently in each kind of competition situation oneself , sells oneself , an image sloppy , the facial features are dreary , can the spiritual dispirited person , how many have for human ' s confidence level
今天的社会，需要你在各种竞争场合努力亮出自己，推销自己，一个形象邋遢，面容惨淡，精神颓废的人，给人的可信度会有多少？