| 释义 |
send something under plain cover
phraseUKformal
to send something in a plain envelope:
These are the type of books that are generally sent under plain cover.
The book was sent to him under plain cover.
I would like you to check the final proofs, which I am sending under plain cover.
We are sending, under plain cover, a private invitation to the launch event.
The information was sent to James by the firm, with a letter under private cover, informing him of the project's progress.
See also
covernoun(SOMETHING PLACED OVER)
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