英语词汇cost-effectiveness怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	cost-effectiveness
释义	cost-ef·fec·tive·ness /ˈkɒstɪˈfektɪvnɪs/ n. 1. 成本效益；成本进益比率 2. 成本高效益，花费的有效性
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英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。