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你不想想，你一年的薪水能买得起大明星佩戴的一个包包吗？叶琳琳仰起头，像是一只高傲的孔雀。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.　　结婚是女人一辈子的事情，岂能随随便便？更何况女儿是她费劲心血、悉心栽培的“金玫瑰”，岂能轻易被摘去？男方必须置房、买车、大办婚礼。222. X.X.88胡老太眼色使来，让他问。该剧讲述了一所著名中学在成立理科班过程中出现的困难波折，深刻反映了当前独生子女教育乃至整个中国式家庭、学校、社会三方面教育中的问题。