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平时常见的纸杯、饮料瓶能做什么用?当垃圾扔掉?当废品?让我们用巧手赋予它们崭新的使命,让它们变成一个漂亮的笔筒怎么样?
Commonly used paper cups, beverage bottles can do what? When the garbage thrown away? When the waste? Let us use skilled hands to give them a new mission, so that they become a beautiful pen holder how?