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郑氏更加疑惑，不知儿子这么一会工夫跟她们说了什么，使得她们如此亲密，也不知能不能持续长久。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.There is a long way to go to safeguard rights. I am with you!Master Control End: The master control end is some hosts illegally invaded and controlled by attackers. These hosts also control a large number of proxy hosts respectively. Specific programs are installed on the master host, so they can accept special instructions from attackers and send these commands to the proxy host.爱奇艺自制剧奇幻甜宠爱情剧《#喵,请许愿#》预计6月开机Stored procedure: (Delete after one year according to the difference between the current time and the time of entering the blacklist)《天下有情之阿福传》讲述的是农民高小福为了寻找童年时的女友胖丫，一个人闯进大都市，他牢记父亲的教导，不说谎、不自私、不贪财，谨守着别人快乐自己才快乐的信念。然而复杂的现代都市面对淳朴的农村青年却心照不宣，在一系列的冲突、巧遇中闹得笑话百出，最后小福被刁蛮任性的靓女武力看中，成了武家菜的传人。这是一出轻松活泼的都市喜剧，一个美国的“阿甘”讲述着中国故事，饱含人情世态，蕴藏着丰富的人生哲理。