请输入您要查询的英文单词：
单词
ˌcost-efˈfective
释义
ˌcost-efˈfective
ADJ
giving the most profit or advantage in exchange for the amount of money that is spent 有成本效益的；值得花费的；合算的
DERIVED WORD
ˌcost-efˈfectively
adv
ˌcost-efˈfectiveness
noun
U