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一个青年,偶然中得到了一块大磁铁。他拿着这块磁铁犯了愁:这块磁铁有什么用呢?按铁价卖掉,赚不了几块钱,恐怕连运费都赚不回来;放家里,似乎也派不上什么用场。后来他的母亲对他说,你仔细想想,磁铁是用来干什么的?
A young man, accidentally got a big magnet. He took the magnet made a worry: what’s the use of this magnet? According to the iron sold, can not make a few dollars, I am afraid even shipping can not earn it back; put the family, it seems that there is no use whatsoever. Later, his mother said to him, you think about it, the magnet is used to do?