refund 退款
exchange 换货
What’s the price of this wallet? 这个钱夹多少钱？
How much is...=What’s the price of...
What’s the price of this TVset?
How much do I owe you?
IOU 借条，欠条
ABC:american born chinese
ABC:basic knowledge and skills 基础知识和技能
I just know some ABC about English.我对英语只知道一点点。
AtoZ从头到尾
I read this textbook from AtoZ.我把这本教材从头到尾读了一遍。
That’s a good camera,but it costs too much. 这个照相机不错，可是它太贵。
It’s so expensive.
It’s costs too much.
It’s cheap and expensive. 又俗气又贵
It’s a baigain. 很便宜
It’s a good deal. 这是幢好买卖。
The orange juice is on sale today,it’s a good deal. 橙汁今天减价出售，很划算的。
Any discount? 有折扣吗？

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