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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.本剧围绕1949年新中国诞生这一历史横断面展开，以民歌“东方红”作为此剧的主旋律，以众多历史事件、历史人物、历史冲突为重点，提炼出一个单纯而永恒的主题。Serinda Swan将主演Morwyn Brebner创作的CBC剧集《Coroner》。 本剧受M.R. Hall的畅销系列小说启发，主要讲述了一个新任命的验尸官在多伦多调查离奇的死亡案件。本剧于今年夏末将在多伦多地区展开制作，2019年冬在CBC首播。 Serinda Swan将饰演剧名角色Jenny Cooper，一个有勇气有决心、但情感脆弱的验尸官，对真相有着锲而不舍的精神。Jenny曾经是一名急诊医生，最近刚刚丧夫，独自一人带着孩子；挚爱的离世打开了与死亡的原初关联，将她的过去的秘密紧密相连。她爱自己的儿子超过爱生活，在尽力抚养他的同时也要照顾自己。　　一次偶然中，丁隐遇见了名为玉无心（赵丽颖 饰）的女子，让丁隐感到震惊的是，玉无心的相貌，竟然和自己死去的妻子一模一样。丁隐无法抗拒的爱上了玉无心，而玉无心的真实身份却是绿袍尊者的女儿，两人陷入了苦恋之中。蜀山派内暗流涌动，各派势力各怀鬼胎蠢蠢欲动，丁隐和同门丹辰子（高伟光 饰）、诸葛紫英（刘思彤 饰）、周青云（文咏珊 饰）等人力挽狂澜，却陷入了更险恶的阴谋之中。电视剧《食来孕转》以独特的视角描绘了“白话式、童话式、笑话式”三种风格迥异的婚姻状态，作品突破了以往婚恋育儿题材的局限，改变了以“家庭斗争”为立足点的创作方式，聚焦沈家二老及他们哺育的兄妹三人各自的情感生活，围绕中华民族根深蒂固的“家庭传承”话题，极力倡导一种以“和谐、关怀、理解”为核心的社会主流价值观，在轻松愉快的气氛和诙谐幽默的对白中直击时下最流行的婚育话题。1997年，淮川县河边惊现一具惨遭枪杀的男尸，死者名叫陈默。从上海被邀请来参与破案的画像师章欣协助当地警察沈张展开调查，根据本案目击证人的描述还原凶手，却画出了一个死去17年的女人——前淮川文工团库管员严华。专业能力遭到沈张质疑的章欣抽丝剥茧，发现了陈默之死与多年前专门针对女性下手的连环凶杀案有关，而陈年旧案中的变态杀人魔依然逍遥法外。为尽快严惩真凶，章欣一步步走向这迷雾重重的真相之中......浙东水乡，景色如画。老年的赵定玉，重回故地。芳草凄凄的孤坟旁，破碎的镜片中，恍惚浮现美云凄美的面庞。往事如烟，难以排遣的自责让赵定玉思绪难平……