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| ADJ FORMAL |
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| /ˈkɒstli/ |
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| 1 | costing a lot of money 费钱的；昂贵的 |
| They have been investing in costly new equipment. 他们一直投资于价格高昂的新设备。 |
| a costly business/process/exercise Changing your company’ s management style can be a costly business. 改变公司的管理风格可能是一项很花钱的事。 |
| | 1a | used about something that costs more money than you want to pay 价格过高的 | | Appeals can be costly and time-consuming. 上诉可能要花很多钱，并且很耗时间。 | |
| | 1b | used about something that is expensive but of very good quality 值钱的；贵重的 | | costly silks/perfumes 值钱的丝绸/贵重香水 | |
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| 2 | causing a lot of problems 代价惨重的 |
| Dropping the ball with only seconds left to play was a costly mistake. 在只剩几秒钟的时候丢球是个代价惨重的错误。 |
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