| 释义 |
- n.死信；(指法律,协议等)一纸空文
- 网络具文；死消息；无法投递的信件
1. | [ususing] 无人遵守的法律；形同虚设的协定；空文a law or an agreement that still exists but that is ignored |
2. | 死信；无法投递（或退回）的邮件a letter that cannot be delivered to an address or to the person who sent it |
n. | 1. a letter that can neither be delivered nor returned to anyone, because the addresses are missing or not complete 2. a law, agreement, or tradition that people no longer pay any attention to |
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