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Responsibility chain mode-A request needs multiple objects to process, thus avoiding the coupling relationship between the sender and receiver of the request. Connect these objects into a chain and pass the request along this chain until an object processes it. The specific structure diagram is as follows:何家小女儿小西初入沈家，烦事就接踵而来，为支持丈夫建国创业她毅然辞掉工作，又得在公公前妻林春燕与婆婆秋苹以及大嫂玉凤的明争暗斗中艰难生存，所幸公公和丈夫对她疼爱有加，还有个善解人意的小姑，她对未来的生活充满希望。大女儿何小东，处事能力强，她八面玲珑却与丈夫李平耿直的个性相左，彼此的热情消磨殆尽。Application scenario: Mediator mode is generally applied to situations where a group of objects communicate in a well-defined but complex way, and situations where you want to customize a behavior distributed in multiple classes but do not want to generate too many subclasses.该剧讲述了韩国财阀继承女尹世利（孙艺珍 饰）因滑翔伞事故被迫降到北韩，爱上默默守护她的北韩特级军官（玄彬 饰）的故事。Start a container with this image:2. How to link up strategic planning with or strategic implementation?