高级英语对话 第 206 课：特卖结束-1

A: Excuse me, but is this dress on sale?
B: The dress was on sale yesterday.
A: Are you sure? I'd be happy to pay the sale price today.
B: I'm so sorry, but rules are rules.
A: Okay. I'll just check out a few other stores.
B: I'm sorry I couldn't help you.