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(1) Having obtained the first-class qualification for more than two years, and having no record of illegal practice within two years prior to the date of application;小葱脑中灵光一闪，立即就想了起来，道：不错。与世间充满的“恋爱电影”不同，非闪亮系·青春恋爱喜剧。She said that she could stay in the mountains for a few years without going out, just to do it well. It would be even better if the craft could be revived and passed on. After living in the city for many years, she has returned to her hometown, lived in seclusion in the mountains, and returned to the original ecological rural life. If it weren't for her heartfelt love, many people would not have been able to do this. This is also the biggest touch to us.这部电视剧描写的是，由于父母的再婚而在法律关系上成为兄妹的男女主人公陷入命运般爱情的故事。Each object has its corresponding state, and each state corresponds to some corresponding behaviors. If an object has multiple states, there will be many behaviors. Then the judgment of these states and the behavior completed according to the states will lead to multiple conditional statements, and if a new state is added, the existing code needs to be changed. This kind of design obviously violates the principle of opening and closing, and the state mode is used to solve such problems.