比對兩欄資料,列出相同及不相同的值
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貓奴一枚 ^_^
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學海無涯_不恥下問
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貓奴一枚 ^_^
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知之為知之,不知為不知,誠實也!
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學海無涯_不恥下問
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貓奴一枚 ^_^
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學海無涯_不恥下問
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貓奴一枚 ^_^
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知之為知之,不知為不知,誠實也!
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學海無涯_不恥下問
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