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The fundamental reason for using design patterns is to adapt to changes, improve code reuse rate, and make software more maintainable and scalable. In addition, the following principles should be followed when designing: single responsibility principle, open and closed principle, Richter substitution principle, dependency inversion principle, interface isolation principle, composite reuse principle and Dimit principle. Each design principle is described below.12. Create conditions, enrich books, newspapers and magazines, and introduce incentives to encourage employees to study spontaneously, improve their quality or provide benefits for outstanding personnel to go out to study, train and grow.一转眼，十二月已经过去一半。　　十多年之后，一家人再次重逢。此时的雷洛荣升总华探长，经历了偏门百花齐放的六十年代，累积了巨额财富，成为当时社会最叱诧风云的人物，不过潜在的危险也渐渐袭来；新任署长上任，发觉雷洛的权利太大，难以控制。便升雷洛为督察，但却是明升暗降，实际上削弱了雷洛的权利。雷洛知道这是告引之时，便提前退休。阿霞一人在海外辛苦，供儿子念书，身染重病；儿子雷用贤（郭富城 饰）大学毕业，是港英政府筹建廉政公署而招揽的人才，对父亲的所作所为深恶痛绝。　　本片根据香港上世纪80年代“死亡车库”真实事件改编，一个被幽灵诅咒的离奇“尸家车位”吞噬了数十条人命后被政府下令水泥封堵，藏在其中的诡异故事也被永久封存。身上都臭不可闻，怎么见人？山芋笑道：每次练习完，都从头洗到脚。In addition, there are two attached drawings.