discrepancy: [ dis'krep?nsi ]
a difference between two amounts, details, reports etc that should be the same:
本來應該相同，卻不相同。有出入,不一致,不吻合
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n. 相差,差異,差別
名詞複數:discrepancies
The price tag says$100 and you charged me for$120; how do you explain the discrepancy?
＂貨物標籤上寫的是一百美元，你向我索價一百二十美元，這個差異該怎麼解釋？＂