有这样一个故事:在南方的一个小镇里,有一家老店特别会做鸡,烹调出来的鸡香嫩可口,远近闻名,人们纷纷争相购买。这家做的鸡为什么那么好吃呢?据说关键是在制作的最后一道工序。每次当鸡快要出锅的时候,店主总要把一杯东西倒进锅里,于是做出来的鸡就香美异常了。所有的人都知道? There is such a story: In a small town in the south, there is an old restaurant that specializes in chickens. The chickens that are cooked are fragrant and delicious. Why is this made chicken so delicious? It is said that the key is in the final process of production. Every time when the chicken is about to get out of the pot, the owner always has to pour a cup of food into the pot, and the chicken he makes is not delicious. All people know?