| 词汇 | send-under-plain-cover |
| 释义 | send something under plain coverphraseUKformal 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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