[解析]
6﹣7 BAText 6 M:Do you need anything,madam?We have some new jackets.They're only$90. W:Oh,they're really nice, ⑥but $90 is a lot of money. M:Well,what about these skirts?Oh,look,they're beautiful on you. W:Um…they really are.How much are they? M:They're$80.No,wait.They're on sale,50% off. W: ⑦50% off?Oh,it looks good on me and I need a skirt.OK,I guess I'll take one.