| 单词 | operation cost |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔penny〕The operation cost £100,000 and it was worth every penny.那次手术花了10万英镑，但是花得非常值。柯林斯高阶〔penny〕The operation cost £100,000 and it was worth every penny.那次手术花了10万英镑, 但是花得非常值。外研社新世纪 |
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