1 [U] [C] (an) investment (in sth) the act of putting money in a bank, business, property, etc; the amount of money that you put in 投资;投资额:
investment in local industry投资于当地工业The company will have to make an enormous investmentto computerize production.若要使生产计算机化,这家公司非得投入大量资金。
2 [C] (informal 非正式) a thing that you have bought 买回来的东西:
This coat has been a good investment -- I've worn it for three years.这件外衣买得合算,我已穿了三年。