单词：cost-effective
cost-effective的用法和样例：
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。
词汇搭配
- cost effective成本效率
- cost-effective method费用低廉的方法...
- economical节俭的
- lucrative合算的
- money-making赚钱
- profitable有益的
- gainful有利益的
- commercial商业的
- worthwhile值得(做)的
- cost-efficient有成本效益的...
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