missive
n. 信件
A missive is a letter or other message that someone sends.
...the customary missive from your dear mother.
你老母親來的一封家信
1. a written message addressed to a person or organization;
Sure, sometimes it's perfectly acceptable to shoot off a short , all lowercase missive to a colleague.
誠然, 有時候給某個同事發去一封全是小寫字母的簡簡訊件完全可以接受.
The missive remains unwritten and unsent.
這件公文未寫也未發出去.
Weinstock's missive announced the abolition of all internal committees.
溫斯托克在信中宣佈解散所有內部委員會。