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危险逼进，路见不平的侠医傅青主（刘家良饰）为了解武庄之危，带了两位武庄青年武元英（杨采妮饰）和韩志邦（陆毅饰）上天山求助。擅于铸剑的世外高人晦明大师住在万里冰封的天山上，他珍藏七把剑中珍品。座下有大弟子楚昭南（甄子丹饰），二弟子杨云聪（黎明饰），三弟子辛龙子（戴立吾饰）以及四弟子穆郎（周群达饰），晦明大师认为武元英和韩志邦也是可塑之材，加上傅青主本人，把毕生修为炼成的七把宝剑分赠七人，是为“七剑下天山”的武林传奇。In real life, China's income tax is divided into enterprise income tax, foreign-invested enterprises or foreign-invested enterprises income tax and personal income tax. For these three types of income tax, each is calculated in a different way. Personal income tax has a personal income tax calculation method, while enterprise income tax has its corresponding calculation method. If we do not adopt the policy mode to realize such a requirement, we will define an income tax class, which has an attribute to identify the type of income tax and a CalculateTax () method to calculate the tax. In this method, we need to judge the tax type and calculate the income tax for different tax types through if-else statements. Such an implementation can indeed solve this scenario, but such a design is not conducive to expansion. If the system needs to add an income tax in the later period, it has to go back and modify the CalculateTax method to add an additional judgment statement, which clearly violates the principle of "open-closed". At this time, we can consider using the strategic mode to solve this problem. Since the tax method is the changing part of this scenario, we can naturally think of abstracting the tax method at this time, which is also the essence of the implementation of the strategic mode.该剧主要讲述了吴忧领证当天因为车祸放了男友鸽子，男友分手出国，吴忧伤心寄情工作，却与“大魔王”何西亚擦出火花，两人斗智斗勇成为欢喜冤家的故事。It is so simple that there are some old but neat books in it, mostly children's books, which can be taken and placed at any time for children in need. There is an old Chinese saying: "Don't do it with small evil, don't do it with small good". You understand the truth, but you still need to pay attention to how to do it.　　文佳煐 饰演威基基的青年们那些年爱过的初恋“后岩洞女神”韩秀妍，婚礼当天受到突发性屈辱的秀妍和俊基重逢后，命运般地在威基基住下来。1. Credibility of information sources