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共有5201人关注过本帖树形打印复制链接主题：[转帖]英国研究发现，刹车声、电梯声、敲键盘声、喧哗声是最易被忽视的噪音源 |
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 Among any three people walking, I will find something to learn for sure. Their good qualities are to be followed, and their shortcomings are to be avoided. |
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