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The above is only a model of "Long En" bicycle, If you need to generate other types of bicycles, Other subclasses can be written. The most important advantage of factory mode is that some of the same methods can be implemented. We can write code in the parent class for these same methods. If we need to implement specific business logic, we can rewrite the parent class's methods in the subclass to implement our own business logic. In terms of professional terms, there are two points: First, weaken the coupling between objects and prevent code duplication. Instantiating a class in a method eliminates repetitive code. Second: Repetitive code can be written in the parent class. Subclasses inherit all member attributes and methods of the parent class. Subclasses only focus on implementing their own business logic.收回拳头，好奇地问道：现在不能看？哑巴忙使劲摇头，示意他看。State organs, public institutions, social organizations and workers with whom labor contract relations have been established shall be implemented in accordance with these Provisions.因为一场车祸，从小在孤儿院长大的铭恩失去了记忆，跟她一起长大的天心冒充她成为了上流社会的千金小姐，而其后铭恩在阴差阳错之下成为了天心的佣人。天心担心真相暴露，对铭恩百般欺侮。其间，名流公子楚平爱上了铭恩，终于帮助她寻找回失去的记忆……尹旭为人光明磊落，不是那种虚伪小人。Successful investors usually have a good strategic vision, and they are more willing to think about issues that will play a decisive role in the long-term future. On the other hand, ordinary people are just the opposite. A sharp rise one day can immediately make them excited and ignore the failure of the overall result. When a person considers a 10-year cycle, he will have a future. If he is only used to thinking about tomorrow's problems, he is doomed to reap the continuation of yesterday. The money earned in the stock market depends either on intelligence or perseverance. To make a lot of money, one must give consideration to intelligence and perseverance. The money lost in the stock market is either due to cleverness or small temper, which can successfully lose the most money by combining cleverness and small temper.　　《希瑞与非凡的公主们》讲述了孤儿阿多拉（卡莉罗饰）的故事，有一天她发现了一把魔法神剑，可以让她变身为神秘战士公主希瑞，便脱离了此前生活的邪恶的霍德王国。一路走来，她在反抗军中找到了新的家人，她集结了一群魔法公主，与邪恶力量展开终极斗争。