modify prices

例句：

1. 1.The company decided to modify its product line.
   公司决定修改其产品线。
2. 2. Theteacher asked the students tomodify their essays before the exam.
   老师要求学生们在考试前修改他们的作文。
3. 3. The new policy will modify thetax system.
   新政策将修改税收系统。