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Telecommunications多谢杨公子。《中女剩斗史》讲述的是三位不同职场上大龄剩女的爱情故事。Vicky饰演的Nampeung是一位35岁大龄剩女女演员，Joy饰演的Maple是一位职业性女强人，BenZ饰演的Linee是一位律师 。三个本来是朋友却每次见面都视对方为“仇人”一样的吵架。　　Rooke希望本剧能像《大城小妞》遇见《中间人》配上《绝望的主妇》...从小就缺少父爱、年少不羁的尼基塔和朋友们因为在抢劫一间店铺时失手杀死闻讯而来的警察，被以杀人罪送到了女子监狱。后来，Nikita被一个代号为 “Division”的美国秘密政府组织从死囚牢房中营救出来。这个组织伪造了Nikita的死亡证明，并告诉她被赋予机会开始新的生活，并效忠自己的国家。而Nikita有所不知：她正在被训练成一名间谍和刺客。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.