英语短语词组词汇the back of an envelope的音标、释义、翻译、用法及例句-英语短语词组词典

短语	the back of an envelope
释义	the back of an envelope used to denote calculations or plans of the most sketchy kind （指估计或计划）最粗略的一类： a proposal drawn up on the back of an envelope. 一项草拟的粗略提议。
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