ratio of reinforcement

例句：

1. 1. The teacher explained the problem in a way that made sense to everyone in the class.
   老师以全班都能理解的方式解释了这个问题。
2. 2. The ratio of sugar to water in this recipe is 1:1.
   食谱中糖和水的比例是1:1。
3. 3. In a perfect world, the ratio of income to expenses would be balanced.
   在一个理想的世界中，收入与支出的比例应该是平衡的。