balance quality of rigid rotor

例句：

1. 1. The teacher balanced the class by assigning different tasks to each student.
   老师通过分配不同的任务给每个学生来平衡班级。
2. 2. The company aims to balance profitability with sustainability.
   该公司旨在盈利性和可持续性之间取得平衡。
3. 3. The government needs to balance its budget with economic growth.
   政府需要在其预算和经济增长之间取得平衡。