Make use of all those free note pads and pens you've collected from trade shows.
使用从商业展会上收集的免费记事本和笔。
4keep documents and paper mail you receive and use the back side as quick note pads or scratch paper.
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.
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。
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