cost-effective /kɒst ɪ'fektɪv/ ★☆☆☆☆ 📖 中文释义 a. 有成本效益的, 划算的; 合算的(等于cost-efficient) 📘 English Definition(英文释义) s productive relative to the cost ← cost-drivers C 字母词表 cost-effectiveness →