你收到我关于会议的备忘录了吗?
Did you get my ___memo regarding the meeting?
请阅读管理层关于新政策的备忘录。
Please read the ___memo from management about the new policy.
我需要写一份备忘录来总结今天会议的要点。
I need to write a ___memo to summarize the key points from today's meeting.