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The House will end its vacation on Monday, which means that the death of Brexit will return to the theater authorities, which will not have a negative impact on capital markets such as sterling and gold. In addition, investors need to stop paying attention to the Sino-US World Trade Organization this week. Changes in consumer market anxiety will have the most important negative impact on the gold market. Pay close attention to the industry number "Xia Junshan" and learn more about foreign exchange reserves.4. This article does not relieve the giving-way ship of its obligation to give way.周迅、韩庚、袁姗姗等12位明星，倾情零片酬出演的公益电影《有一天》，在腾讯视频好莱坞影院全网独播。2014年9月17日-10月16日活动期间，捐献1元即可观看，好莱坞会员免费观看，由腾讯视频代为捐款1元。影片讲述9个特殊儿童群体追梦的故事，有笑有泪，有爱有梦。希望更多人关注特殊儿童群体，一起看电影做公益，给孩子爱和分享，让世界变得简单明亮。就是烧的时候要费事些。奴出身可以，乐户还是不好。Looking forward to the bookIn 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.