C:I bought a pickled cucumber from you yesterday, but I think it has gone bad. 我昨天替你们买了一瓶腌菜, 但似乎是坏了. S:That's most unusual. We have very strict quality control. 这太少见了, 我们一向有严格的品质控制, We'll exchange it for you right away, sir. 我这就给你换一瓶. Thank you for bringing this to our attention. We'll look into the matter. 谢谢你告诉我们, 我们会深入调查的.
