price relative of fixed base

例句：

1. 1. The price of the house is$300,000.
   这所房子的价格是30万美元。
2. 2.The cost of living in New York Cityis high.
   纽约市的生活成本很高。
3. 3. Theprice of oil has increased significantly since lastyear.
   自去年以来，油价显著上涨。