| 词汇 | dead letter |
| 释义 | dead letterMail ˌdead ˈletter noun [countableC] 1. USEFUL#a law, idea etc that still exists but that people no longer obey 形同虚设的法规，空文；名存实亡的观念 2. TCMa letter that cannot be delivered or returned 无法投递[退回]的信，死信 Examples from the Corpus dead letter• The fact that the postwar treaty had been a dead letter for many years did not worry either party.• An arts education is a dead letter for many students.• Theoretical reasoning is a dead letter to the child unless it is closely anchored to practical issues. |
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