1
memorandum on / about sth
The director issued a memorandum on the new policy.
主管发布了一份关于新政策的备忘录。
备忘录；便笺
先理解核心含义，再看它在真实句子里的用法。
备忘录；便笺
a short written note or reminder
The director issued a memorandum on the new policy.
主管发布了一份关于新政策的备忘录。
用作提醒的简短便条。
A short note serving as a reminder.
书面提议或提醒
a written proposal or reminder
书面商务通讯。
A written business communication.
简短的外交通讯。
A brief diplomatic communication.
The manager sent a memorandum about the new office policy.
经理发了一份关于新办公室政策的备忘录。
Both parties signed a memorandum of understanding to cooperate on the project.
双方签署了一份谅解备忘录，以合作开展该项目。
I found an old memorandum in the file cabinet describing the meeting arrangements.
我在文件柜里发现了一份描述会议安排的老备忘录。
The director issued a memorandum on the new policy.
主管发布了一份关于新政策的备忘录。
He sent a memorandum to all department heads.
他给所有部门主管发了一份备忘录。
注意复数形式为memoranda。
I received a memorandum from the CEO this morning.
今天早上我收到一封来自CEO的备忘录。
Not this
We have received several memorandums today.
Use this
We have received several memoranda today.
memorandum 的复数形式是 memoranda（拉丁语来源），而不是加 -s 的 memos 形式。
Not this
Please sign this memorandom.
Use this
Please sign this memorandum.
拼写错误：memorandum 的正确拼写是 m-e-m-o-r-a-n-d-u-m，中间没有多余的 o。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
签署备忘录
The two companies signed a memorandum of understanding.
两家公司签署了一份谅解备忘录。
起草备忘录
She drafted a memorandum outlining the new policy.
她起草了一份概述新政策的备忘录。
谅解备忘录
They signed a memorandum of understanding to cooperate on research.
他们签署了一份谅解备忘录以合作进行研究。
内部备忘录
An internal memorandum was circulated to all staff.
一份内部备忘录已分发给所有员工。
机密备忘录
The confidential memorandum was marked 'for your eyes only'.
这份机密备忘录上标有‘仅供参阅’。
发送备忘录
He sent a memorandum to the department heads.
他向各部门主管发送了一份备忘录。
谅解备忘录
The two companies signed a memorandum of understanding to explore collaboration opportunities.
这两家公司签署了一份谅解备忘录，以探索合作机会。
Use memorandum naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
memor（记忆）+ andum（文档）→ 记忆文档即备忘录
通常用于正式书面沟通，如商务、法律或政府文件。
注意: 复数形式为memoranda
Dictionary facts from ECDICT, WIKTIONARY.