Reduce the volume of paper coming in by sorting mail over the recycling bin or trash, keeping only those papers that require an action or filing.

减少流入文件的数量，利用垃圾桶来分类邮件，仅仅保留那些需要处理或归档的文件。

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For instance, as of April, residents in a dozen Guangzhou suburbs had to start sorting their trash into separate bins meant for recyclables, kitchen waste, hazardous waste, and other waste.

例如，四月份广州近郊的居民就开始垃圾分类，将垃圾分门别类倒入相应的垃圾桶，分为可回收垃圾，厨余，危险品，和其他垃圾。

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We started in the worst room in the house and first went through every item that was stacked in piles on the floor, sorting them into different “Keep”, “Trash”, Recycle”, “Goodwill”, and “Sell” boxes.

我们从情况最糟的房间入手，检查堆在地板上的每样东西，把它们分门别类地放在标有“保留”、“垃圾”、“回收”、“捐赠”和“卖掉”的盒子里。

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Then they sell the paper to sorting centers who prepare trash for recycling.

VOA: special.2009.03.25

Houston won with its proposal to allow residents to mix trash, recyclables and lawn waste in a single bin ready for automatic sorting.

WSJ: RI city wins $5M Bloomberg prize with word gap fix