听力原文:W: Excuse me, can I try this T-shirt on? M: Certainly. What size would you like? W: M, please. M: This one must be suitable. W: Could you please show me that blue one? M: Sorry, we have only large size for blue. W: Ok, then I'll take this red one, how much is it? M: 30 yuan for one, but you can save 10 yuan if you buy two. (8)