均衡

例句：

1. 1.The teacher asked the students to balance their books on their desks.
   老师要求学生们把书本放在桌子上保持平衡。
2. 2. The company's financial report showed a healthy balance between profits and expenses.
   公司的财务报告显示利润和支出之间保持了健康的平衡。
3. 3. The new policy aims to achieve a balance between economic growth and environmental protection.
   新政策旨在实现经济增长与环境保护之间的平衡。