A: I want to buy some jewellery. 我想要买一些珠宝首饰。 B: What kind of jewellery do you like to have? 你喜欢什么样的珠宝首饰？ A: I should like to look at some bracelets. 我想看看手镯。 B: Pure gold or carats? 纯金的还是K金的？