invest和spend区别
invest 是投资的意思，商业上用的多。invest用作及物动词,可接名词或代词作宾语.后接介词in,表示“把…投入”,即把资金投入商业活动中或有利益的事业中,也可指投入时间或精力. vt. 1. 投(资)[(+in)]He invested all his money in real estate. 他把钱全部投资房地产. 2. 耗费,投入(时间、金钱等)[(+in)]He invested a lot of time in trying to help retarded children...