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故事以正篇中冷酷的前辈编辑・中泽凉太（间宫祥太朗）为主人公，讲述傲娇的他与编辑助理・和泉遥（久保田纱友）的恋爱故事。情景相声喜剧憨厚老实，也不会亏待女儿、若是太平盛世，夫妻俩一起经营客店，也能过个有滋有味的小日子。无数次，她问自己，这到底是不是正确的选择，她要不要忘记家仇国恨，只做一个济世救人的大夫，无论是敌人也好，还是自己的袍泽也好，都怀着一颗善心去挽救他们？她想不通这个结。　　此后，在共产党人赵化民的引导、教育下，王怀远把“虎旗军”改造为保民护民的队伍，并且在抗战中参加了临沂保卫战、台儿庄血战，立下赫赫战功。然而没想到的是，步鹰却是个利益之徒，他投机革命，在革命队伍中经营着自己的地盘，他以掮客的身份周旋于地下党、国民党和日军之间，并与日本官员私下串通，秘密进行着军火买卖以谋私利。他为了自己的利益，竟然不惜牺牲双鹰的生命，并害死了双鹰的意中人理惠……燕双鹰万分悲痛之下，手刃了步鹰这个败类。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.