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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.As a result, many families on the verge of disintegration will carry out difficult maintenance "for the sake of their children".改编自藤泽周平的同名小说藤澤周平的同名小说。主人公佐之助，混跡於江戶時代的黑暗世界，一日在常去的酒亭，他結識了伊兵衛。在伊兵衛的慫恿與自己渴求過上美好生活的雙重誘惑下，他最終同意，和一群陌生男子搭檔，合夥搶劫商家七百兩的巨款。。。城门如今的一代，因为战事激烈，百姓们早就搬走了，只留下一些空房子。在她的眼里，丈夫也好，妻子也罢，有了外遇都是必然的结果，没有什么大惊小怪的。婚姻就像在海上行使的船，再好的水手也不能保证一辈子都不触礁，之所以有不同的家庭模式，那是因为触礁后处理的不同罢了。这是五个女人的离婚故事，也是一个个真实的婚姻和爱情的故事。作者以过来人的丰富阅历，以平实细腻的笔触娓娓叙述出五个家庭、十对男女之间的爱情瓜葛以及曲折情变之史。Shandong发现情况不好，赶紧施针催吐，又开了药方，令马三去抓药。