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https://tw.news.yahoo.com/%E6%B1%9F%E5%9D%A4%E4%BF%8A%E7%88%86%E6%80%A7%E9%A8%B7%E4%B8%BB%E6%92%AD%E9%84%AD%E5%87%B1%E4%BA%9
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省電費累計：台幣2,800圓+100圓=2,900圓
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