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尹旭暗骂一句，猫哭耗子假慈悲也就罢了，却偏生要哪壶不开提哪壶？这不是故意往项家人伤口上撒盐吗？当然了刺激了项家人，也是给他自己找不痛快。这一会工夫，玉米又往袖子里藏了一块糖糕。还未来得及商议，突报内阁首辅徐阶携其子前来送行。傍晚时分，皇宫来了内侍，送来皇上一份手谕。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.