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布莱恩（布莱德利·库珀 Bradley Cooper 饰）是一名军火承包商，年纪轻轻的他便在行业内闯出了一片属于自己的天地，攀登上了事业的最高峰。某日，他被上司派往夏威夷火奴鲁鲁军事基地，那里正在进行一项间谍卫星的开发和研制，需要布莱恩的监督，布莱恩兴致勃勃的踏上了旅途。让布莱恩没有想到的是，在目的地，等待着他要和他一同共事，是一位名叫艾莉森（艾玛·斯通 Emma Stone 饰）的女飞行员，艾莉森冷若冰霜而又不苟言笑，着实是一个严肃而又无趣的女人，这令布莱恩感到十分郁闷，与此同时，布莱恩对前女友崔西（瑞秋·麦克亚当斯 Rachel McAdams 饰）依然抱有着不切实际的幻想，他联系到了崔西，企图和她破镜重圆。Graduated from preschool normal education or above. Non-kindergarten teachers' major graduates need a college degree or above to apply.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.Track and Field这就是项羽的计策，只要将会联军士兵向南驱赶。/grovel (party)大夫换来换去的于病人无益。