balance matching

例句：

1. 1. The scales are balanced on the scales.
   天平的两端是平衡的。
2. 2. The two teams need to find a balance between offense and defense.
   两队需要找到进攻和防守之间的平衡。
3. 3.The teacher suggested that we should balance our workload with extracurricular activities.
   老师建议我们应该在课外活动和学习之间找到平衡。