expense

例句：

1. 1. The cost of living in New York is very high.
   纽约的生活成本非常高。
2. 2. He spent a lot of money on his new car.
   他在新车上花了很多钱。
3. 3. The company's expenses have increased significantly due to inflation.
   由于通货膨胀，公司的费用大幅增加了。