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Processor: Intel Core i5-4440 or equivalent+ ` + K. e3 g $s? /s% E F% O唐肃宗年间，因宫廷争斗，太子流落民间并改姓薛，名平贵。 　　薛平贵长大后进长安，遇相国王允三千金宝钏王允蒙皇上赐下凤冠霞帔为宝钏搭彩楼招亲，宝钏钟情平贵，不顾王允反对，与父“三击掌”断绝关系，薛王二人结为夫妻。 　　　　　平贵揭榜并因缘际会降服“红鬃烈马”，被责为先锋抵抗外敌。两军交战时，代战公主惊见平贵为长安相遇之人，不敌，平贵却放过代战，代战心存感激。代战嫁给平贵，平贵继承王位，却将兵权交给凌霄，平贵于是开放两国通商促进繁荣，此事被宝钏得知，误会平贵，两人发生矛盾。平贵告知前尘往事并好言相劝，宝钏深明大义接纳代战，终得一家团圆。板栗再次扑倒在地，给长辈们磕了头，然后起身就走。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.不是有话说‘不经一事，不长一智么。吴芮听闻后，思索一番觉得可行，答允了。