grade jurisdiction

例句：

1. 1. He was promoted to a higher grade in the company.
   他在公司被提升到更高的职位。
2. 2. The students are in different grades and levels.
   学生们处于不同的年级和水平。
3. 3. She is currently in her first year of high school.
   她目前正在上高中一年级。