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Stephen went back to the sanctuary and locked himself in the room. His physiological reaction could not be ignored. He stroked himself with some unfamiliar hands, trying to relieve his desire but was disorganized. He began to recall what he had just seen and did it hastily.黎章用力点头，夸道：真的很厉害。我是来试镜的。我们兄弟正是昆仑七剑。剧中谢永强的事业将会有所进展，他的果园终于取得了成功，并与一个果汁厂合作。在合作的过程中认识了果汁厂经理黄亚萍，两人产生了感情，这令谢永强和王小蒙婚姻出现了问题。另一方面，王小蒙的事业遇到了挫折，家庭和事业都让她很苦恼。秦淼很有把握地告诉她：咱们什么也不用管。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.