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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.李斯之所以故意将此事以这种方式透露给项羽，目的很明确，正如项伯所言。该剧讲述了天地之间唯一神魔混血的少年穆天然同伏羲后人杨仁执、人类除魔师凌兮、魔族圣女罂粟等周旋于人间与魔界之间，斩妖除恶，惊心动魄的热血历险故事。新锐画家温浅被酒吧驻唱乐队主唱白纪然一眼惊艳，邀请白纪然做自己的模特，穷追不舍，却屡遭拒绝。温浅受父之命前往成都文殊院取一件母亲生前藏品送回英国，拿到装有陨石的锦袋，与白纪然再次不期而遇。白纪然认出温浅就是自己儿时在英国认识的小丫头，温浅却不记得他。两人误打误撞，一个因为丢了背包没证没钱没手机，一个想要躲避狂热粉丝的追求，一起踏上“护宝”旅程。Some people think that the long-standing tension between regulatory authorities, public departments and financial institutions should at least bear part of the responsibility for network security accidents, because it is precisely because of this contradiction that enterprises often choose to make big things smaller and small things smaller.HBO正式预定Amy Adams主演《利器 Sharp Objects》，首季为8集。《利器》小说发布于2006年，讲述的是Amy Adams将饰演的记者Camile Preaker，刚刚从精神病院出来就面临了不少麻烦：她必须回到她的家乡小镇去报道两名未成年少女的谋杀事件。Camile一直和她的母亲还有同母异父的古怪妹妹很疏远，但却被逼和她们住在一起。此外随着调查的深入，她发现自己和被害者有很多共同点，在战胜自己心魔的同时她还要慢慢挖掘故事的真相。Amy Adams转战电视屏幕的《利器》，是《消失的爱人 Gone Girl》作者Gillian Flynn的处女作。该剧将由Jean-Marc Vallee执导。该剧早在《消失的爱人》火遍全球之前就已被提上拍摄计划。该剧将由Marti Noxon执笔改编，Noxon和Flynn也会共同制片。Amy Adams曾拍摄了《超人：钢铁之躯 Man of Steel》，《她 Her》，并凭借《大眼睛 Big Eyes》获得了奥斯卡女主角提名。李天宠叹了口气，既然你来了，我提前告诉你就是了，那人往后可不止是祭酒了。