C:Oh! These trousers are too long, but the waist fits. Do you have a shorter one? 哦, 裤子太长了但腰围却合身,你们有短一点的吗? S:We offer an alteration service. We can shorten it for you. 我们有修改服务的 可以替你改短它. C:How much does it cost? 要多少钱? S:It's free of charge. 这是免费的服务.
C:But I'm leaving tomorrow. 但我明天便离开. S:Don't worry, sir. It only takes three hours. 放心,先生,这只需要三个小时, You can shop around and come back later to get it. 你可以先往别处购物, 然后回来取裤子.