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4保留下文件和你收到的书面信件,使用背面作为快速笔记薄或便条纸。
4keep documents and paper mail you receive and use the back side as quick note pads or scratch paper.
youdao
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4保留下文件和你收到的书面信件,使用背面作为快速笔记薄或便条纸。
4keep documents and paper mail you receive and use the back side as quick note pads or scratch paper.
youdao