A: I want to buy some jewellery.

我想买一些珠宝。

B: What kind of jewellery is it？

它是什么样的珠宝？

A: Four hundred.

四百。

B: All right, how much will it be altogether？ Please send it to my address, I'll pay the messenger on delivery.

好的，总共多少钱？请送到我的地址，我会让快递员来取。

B: Excuse me, ma'am. It's our rule never to supply goods cash on delivery.

对不起，女士。我们规定不货到付款。

A: Well then, I'll give you a check for the amount on the Bank of China.

那好吧，我会用中国银行开一张支票给你。

A: Can I help you, madam？

我能帮您吗，女士？

B: Yes. I'd like to buy some presents for my friends.

是的。我想给我朋友们买一些礼物。

A: Would you like jewellery？ Today is Mothers Day and all the jewellery is on sale at Richs.

您想买珠宝吗？今天是母亲节，里奇所有的珠宝都在促销。

B: That's great. Do you have gold jewels？

太好了。你们有黄金珠宝吗？

这些对话涵盖了从询问珠宝类型、价格、支付方式到确认购买和询问其他商品信息等常见的购物情景。希望这些对话对你有所帮助。