TOF

例句：

1. 1.The total cost of the project is $100,000.
   该项目的总成本为10万美元。
2. 2.The total number of students in the class is 30.
   班上学生总数为30人。
3. 3. The total amount of money raised was $50,000.
   筹集到的总金额为5万美元。