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学些女儿家贤良淑德，往后也好说亲。时1997年，教皇即将来此视察，高层要求纳斯西蒙（Wagner Moura 饰）所率领的这支精英部队在最短时间内肃清贫民窟内的毒品链。厌倦刀光血影的纳斯西蒙将心思放在了妻子和尚未出世的婴儿身上，他将任务交给了两个热血且充满理想的年青人——内图（Caio Junqueira 饰）和马提阿斯（André Ramiro 饰）。他们俩都不满警察队伍的腐败，决心在精英部队中大展身手……能有一本超过《绝代双骄》的武侠小说出现，无论对于武侠小说的读者，还是作者都是一件幸事。张小兄弟，在下猜的可对？板栗忙为曾鹏澄清道：不是的。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.　　只是一个很平凡的壶绘师学徒，而且是「草食系阿宅」。