a note or record made for future use 备忘录;备忘便条 the two countries signed a memorandum of understanding on economic cooperation. 两国签署了经济合作谅解备忘录。 ■a written message, especially in business or diplomacy (尤指商业或外交的)备忘便条;通报便条 he told them of his decision in a memorandum. 他写备忘便条将决定告诉了他们。 ■(Law)a document recording the terms of a contract or other legal details (律)合同书;合约
语源
late Middle English: from Latin, literally something to be brought to mind', gerundive of memorare. The original use was as an adjective, placed at the head of a note of something to be remembered or of a record made for future reference