题目内容：

But is something you have bought is ...
But is something you have bought is faulty or does not do what was claimed for it, you are not asking for a favour to get it put right.
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is 应为if

优质解答

但总有些你所获得的东西是错的,或者说无法做到像它原本宣称的那样好,你无法去改变它依次来达到你的要求.