Mary：Excuse me, I want to buy a new phone. 
你好，我要买个手机。

John：What kind did you have in mind? 
想选个什么样的？

Mary：I'm interested in a flip phone with a color screen and English menu capabilities. 
我想要个翻盖，彩屏带英文菜单的。

John：We have a few of those in stock. 
我们有几款这样的。

Mary：Which one is the cheapest? 
哪个最便宜？

John：The cheapest one only comes in black. Here is it. 
最便宜的只有黑色。这个就是了。

Mary：I don't like that color. Is there anything else? 
我不喜欢这个颜色。有别的吗？

John：Yes. But it's a little bit more expensive. 
有，不过贵一些。

Mary：It's OK. 
没关系。