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自从卧底任务结束后，查尔斯希望把过去的事情都抛在脑后。但是一份突如其来的任务又是否会让和他重拾旧作？(to be continued)Avoid coupling the sender and receiver of the request, make it possible for multiple objects to receive the request, connect these objects into a chain, and pass the request along this chain until an object processes it. This is the responsibility chain mode. In the responsibility chain mode, it is possible for each object to process the request, thus realizing decoupling between the sender and receiver of the request. At the same time, the responsibility chain mode simplifies the structure of the object, which makes each object only need to refer to its successor without knowing the whole chain, thus improving the flexibility of the system and making it more convenient to add new request processing classes. However, we cannot guarantee that all requests can be processed in the responsibility chain, and it is not conducive to observing runtime characteristics.莺莺燕燕翠翠红红处处融融洽洽。Unicom西楚霸王这会子心中存了几分侥幸心理，若是这个时候刘邦和尹旭打了起来。幼儿儿歌拼音快乐屋,快乐地教小朋友学拼音