音标发音英式音标 [ˌkɒst.ɪˈfek.tɪv]美式音标 [ˌkɑːst.ɪˈfek.tɪv]英式发音 美式发音 基本解释adj.有成本效益的；划算的同根派生 cost-effective相关词英汉例句It isn't cost-effective to build cars in such small quantities.这麽小批量地制造汽车不划算。cost-effective更多例句英英字典剑桥英英字典 If an activity is cost-effective, it is good value for the amount of money paid.cost-effective剑桥字典cost-effective柯林斯字典