| 词汇 | cost-effective |
| 释义 | ☞ costeffectiveˌcost-efˈfectiveadj giving the best possible profit or results in comparison with the money that is spent 有成本效益的；划算的: ◇this alarm system is the most cost-effective way of protecting your property. 装这警报系统是保护你的财产最划算的办法。 |
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