price memory

例句：

1. 1. The price of thehouse is $300,000.
   这所房子的价格是30万美元。
2. 2. It's hard to finda good deal when you're shoppingfor a car.
   当你在为汽车购物时，很难找到好交易。
3. 3. The costof living in this area is high.
   这个地区的生活成本很高。