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Mediator pattern defines a mediation object to encapsulate the interaction between a series of objects. Intermediaries do not need to explicitly refer to each other between objects, thus reducing coupling and independently changing their interaction behavior. The specific structure diagram is as follows:二十多年前，在医院工作的吴丽华发现了被遗弃的男婴，吴丽华和丈夫刘若冰收养了男婴。吴丽华遇到一个来医院抢救的孩子，他的母亲李玉雯正为没有手术费而万分焦急，热心的吴丽华帮忙垫付了手术费。阴差阳错，李玉雯后来到刘若冰家做保姆。李玉雯一直怀有文学梦，热情的刘若冰要帮助李成为作家，引起吴丽华的猜疑。刘若冰的女儿是电视台主持人，在采访中发现李玉雯曾在一个普通工人家照顾患癫痫的孩子坚持做义工四年，刘若冰和吴丽华深为感动，吴丽华也渐渐解除了对李玉雯的猜疑。不久吴丽华因病去世，李玉雯继续照顾刘若冰，刘指导李写作，儿子刘光辉误认为父亲与保姆产生感情，极力反对。后来，刘若冰因为意外成为植物人，李玉雯在照顾康复的植物人的情况下完成了自己的小说。刘光辉也终于发现自己是刘若冰收养的弃婴，他幡然悔悟，开始了人生新的道路。随后张良命令在彭城召集逃回来的汉军士卒。由乡村爱情保安队长宋晓峰领衔主演，程野、霍云龙、唐娜、燕飞主演的网络爆笑喜剧；《槑头槑脑》讲述了两个“呆头呆脑”的农村青年，为梦想来到城里，用自己的执着和善良，影响并帮助三个有着性格缺陷的年轻人成功转变的故事。故事中让你捧腹大笑的同时，最后能让你有着一丝感动。Nagoya's public transportation often runs every 20 to 30 minutes, and the operation time is not so late as that in the country. Most scenic spots in the city can also be reached by subway. Therefore, in terms of utilization rate, the subway will be higher, and it is more recommended that everyone buy subway one-day tickets or all-pass one-day tickets.Liaoning Province