退回信件

词组短语

back letter

与退回信件相关的网络例句 [注：此内容来源于网络，仅供参考]

Disposal measures for other undeliverable and unreturnable postal materials shall be formulated by the competent department of postal services under the State Council.

无法投递又无法退回的信件，在国务院邮政主管部门规定的期限内无人认领的，由地区邮政管理机构负责销毁。

Mail that is both undeliverable and unreturnable, and unclaimed within the time limit stipulated by the competent department of postal services under the State Council, shall be destroyed on the authority of regional administrative organs of postal services.

无法投递又无法退回的信件，在国务院邮政主管部门规定的期限内无人认领的，由地区邮政管理机构负责销毁。

Then there will be no betrayals, no letters returned unread

那么就不会有背弃，退回未读的信件

They did not bounce back to senders, so they should be in the system.

因为这些信件没被退回给寄件者，所以这些应该是在系统中。