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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.一个中学女生发现自己喜欢上了另一个女孩，她开始质疑自己的性取向，并选择通过社交媒体来寻找答案。1. Take a wolf hunter as an example:#森川葵#主演的漫改剧《狂赌之渊·双》宣布杀青，将于2021年播出！该剧将空少们的秘密基地为主题讲述几对不同关系男男、男女之间错综复杂的关系,在这场存在金钱利益,爱情阴谋的关系中,深藏攻与零,因爱有基,因爱放纵,谁愿一同登这爱的飞机,探险这段惊险有爱的旅程。​Originated from the United States.Lin Wei, founder of Golden Rainforest: "Recently, the country has issued a series of policies to rectify the off-campus training of K12 disciplines. However, the market demand is great, and counseling agencies of various disciplines are also seeking transformation. Therefore, quality education including thinking ability training will enter a faster development stage in the future. However, compared with subject counseling, the training of thinking ability is more comprehensive and the training process is more complicated. Therefore, higher requirements are put forward for the professional ability and industry cognition of industry practitioners. "