请查看秘书办公室发布的会议备忘录。

Please check the ___memorandum about the meeting issued by the secretary's office.

他写了一份备忘录提醒自己明天要开会。

He wrote a ___memorandum to remind himself of tomorrow's meeting.

该公司与当地政府签署了一份合作备忘录。

The company signed a ___memorandum of cooperation with the local government.