从前,有个农夫种了十几亩番薯,番薯地常因老鼠光顾而损失不菲,农夫甚是苦恼。后来他想到了老鼠的天敌——猫,便从市场上买回了四只,让它们捕捉老鼠,而猫得到的待遇是香喷喷的鱼骨头。过了一段时间,农夫发现猫捕捉老鼠的积极性大不如前,就到它们中间去访谈,赫然发现最尖锐的问题是:大家每餐得到的鱼骨头数量相同,干多干少一个样,干好干坏差不多! Once upon a time, there was a farmer who planted more than a dozen acres of sweet potato, often losing money due to the rat patronage. The farmer was very distressed. Later, he thought of the natural enemy of rats - cats, they bought four from the market, let them catch the mouse, and the cats are treated to fragrant fish bones. After a while, when the farmer discovered that the cat’s enthusiasm for catching rats was not as good as before, he went to the middle of them and found out that the most acute problem was that everybody had the same number of fish bones per meal, Almost dry bad!