| 释义 |
dead lettern.（名词）- An unclaimed or undelivered letter that after a period of time is destroyed or returned to the sender by the postal service.死信：无人认领的或未被送出的信，经过一段时间后被销毁或通过邮政服务送还给发信人
- A law, directive, or factor still formally in effect but no longer valid or enforced.空文，失效了的法律：仍然正式起作用的法律、指令或原动力，但不再合法或执行
|