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Next, we will talk about the responsibility chain mode. There are multiple objects, each of which holds a reference to the next object, thus forming a chain on which requests are passed until an object decides to process the request. However, the sender does not know which object will process the request in the end, so the responsibility chain mode can be implemented to dynamically adjust the system without concealing the client. Let's look at the diagram first:花生对玉米猛竖大拇指，用眼神鼓励他，又转头对山芋道：五弟才像我张家男儿。Telecommunications曹双羊与韩桃儿的婚礼被深爱着曹双羊的女大学生张晋芳搅局，婚礼中断，桃儿含泪离开。鹦鹉村有两大农业产业集团公司，一个是曹双羊的麦河集团，一个是张洪生的美食人家集团。曹双羊与张洪生既是商场上的竞争对手，同时两个人都深爱着桃儿。法国青年雷洛到鹦鹉村考察，与懂英语的麦圈儿有了比较多的接触。法国康沃集团要来鹦鹉村两个集团参观，张洪生使手段导致康沃人无法到麦河，独揽了与康沃集团的合作。可是面对康沃集团蔬菜和胭脂稻的大订单，由于货源不足，面临大笔赔偿。关键时刻，曹双羊与桃儿帮助他化解了危机。张洪生意识到自己的狭隘和单打独斗的薄弱。在当地政府的支持下，两个集团合并，壮大了实力，产品也真正打入欧洲市场。曹双羊与桃儿历经周折，终于走到一起。麦圈儿与雷洛在曹双羊的支持下，也成就了一段美好的异国姻缘。为了找回因为电话诈骗而损失的国安局预算经费，非正式的内勤职员和警方联手调查的喜剧故事。