balance law

例句：

1. 1.The scales of justice must balance the scales of power.
   正义的天平必须平衡权力的天平。
2. 2. Balance your checkbook carefully to avoid overdrafts.
   仔细核对你的支票簿，以避免透支。
3. 3.The teacher balanced his explanation with examples from the textbook.
   老师用课本上的实例来平衡他的解释。