| 单词 | 改善了服务 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔innovate〕The company has successfully innovated new products and services.公司成功地创出了新产品，改善了服务。朗文当代〔polish〕The hotel has polished up its act(= improved its service)since last year.这家酒店自去年以来已经改善了服务水平。牛津高阶 |
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