目前，钉书和起钉是两个经常要用到的文具，有时候，起钉器往往会找不到，为了寻找，会浪费很多时间。
At present, book nailer and a nail puller are two stationery which are often used, and some times, the nail puller always can not be found. In order to seek the nail puller, a lot of time is wasted.
Evercore伙伴公司的分析师DougArthur说：“二手书是纸质教科书出版商的眼中钉。”
Used books are "the scourge of traditional textbook publishers," said Evercore Partners analyst Doug Arthur.
旧金山的《控制凌乱》一书的作者、清洁专家杰夫·坝贝尔建议那些不愿意扔掉掉下的螺丝钉，整天淹没在破烂中的人枣从小事做起。
San Francisco cleaning expert Jeff Campbell, author of Clutter Control, advises clients drowning in debris —but who seem unable to part with so much as a stray screw—to start small.
旧金山的《控制凌乱》一书的作者、清洁专家杰夫·坝贝尔建议那些不愿意扔掉掉下的螺丝钉，整天淹没在破烂中的人枣从小事做起。
San Francisco cleaning expert Jeff Campbell, author of Clutter Control, advises clients drowning in debris —but who seem unable to part with so much as a stray screw—to start small.
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