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秦淼恨恨地对周菡诉说青鸾公主的种种不是，听得周菡心里一动，就问红鸾公主如何。好在后来传来消息，汉王刘邦安然返回，多少让人有些安慰。他叫东方不败，他就注定不会轻易落幕。低声道：属下目光短浅，该死。We can understand that the responsibility chain mode is a chain composed of processing requests. Requests are passed between these objects in turn until we encounter an object that can process it. We call these objects nodes in the chain. For example, object a sends a request to object b. If object b does not process, it will give the request to c. If object c does not process, it will give the request to d, and so on, until one object can process the request. Of course, if no object processes the request, then the request will leave the chain.In real life, there are paper templates, resume templates, etc. In real life, the concept of template is to give a certain format, and then all other people who use template can implement it according to their own needs. Similarly, the template method is the same.