| 单词 | ratchet down |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ratchet down〕We're trying to ratchet down the administrative costs.我们正在想法控制管理成本。柯林斯高阶〔ratchet sth up/down〕Costs have been ratcheted down by as much as 50 percent since 1999.自1999年以来，成本逐步降低了差不多有50%。剑桥高阶〔ratchet〕The company ratcheted down costs by using cheaper materials.公司选用比较便宜的原料逐步降低成本。韦氏高阶 |
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