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为了寻找失散了的muu开始了行动的hajimi，在那里完成奇迹的邂逅——。　　新一届的柔道冠军Tony（郭富城饰）慕名而来，直指司徒宝挑战，试图一较高下。宿敌辣手李阿刚（梁家辉饰）又因当年一场未完的比赛，也找上门来要和司徒宝决一雌雄。该剧讲述了为了成为一个好爸爸而选择成为坏人的中年家长孤军奋斗的故事，描写无法为他加油的坏人的故事，以及不得不为他加油的我们的爸爸们的故事。　　一辈子没出国的台湾女孩到美国追爱，心情一好，他也不称村妇了，改称张夫人了。In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.