Printed matter, such as pamphlets, forms, or memorandums, especially of an official nature and deemed of little interest or importance.
公文印刷性的材料, 如小册子, 表格或备忘录, 尤指具有官方文件性质, 并无多大兴趣或重要性的文件
An advisory memorandum regarding airworthiness.
有关适航性的警告性备忘录
A brief note or memorandum.
便条简短的便条或备忘字条
