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不过康汪的疑惑很快就打消了，因为周行文很快就醒来了。1939年初，日寇占领两广，留守坚持作战的东江纵队组建了一支城市行动队。这支部队的战场不在高山和原野，而在光怪陆离的都市。行动队的队员们各个身怀绝技，本领不同。有出身日本军校，擅长各种枪械的队长祈中卫，绰号“中尉”；也有出身大户人家，擅长轻功手雷夺命飞刀的梅彦芳，绰号“一剪梅”；还有忠诚木讷，功夫了得的北方帅哥马振奎，绰号“拐子马”；另有擅长爆破，专治各种不服的的马振奎妹妹马兰兰，绰号“蓝凤凰”；以及风情万种、擅长信息刺探的雷秀梓，绰号“九岁红”和巧舌如簧、擅长化妆套取情报的刘相林，绰号“刘公子”。这样一个小组像古时的剑客，总是潜入敌人的心脏，进行着打击日寇的侵华行动。板栗跟葫芦两个，看着远处云雾缭绕的山峦，层层叠叠的山峰，如同展开的水墨画，那心就兴奋地跳跃起来，不顾疲累，催着刘黑皮往前赶。Xinhua News Agency International Department Ling ShuoIn 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.　　品酒师许致因丈夫出轨而离婚，知名电视人雷达阴差阳错地帮助许致父亲、鸟研所研究员许北洋惩治了前女婿，自己却爱上许致，却因此遭到对女儿婚事变得格外谨慎的许北洋的残酷围剿。许北洋二女许葳和被父亲看做轻浮不成熟的男友王闯私自领证结婚，又搞出假怀孕事件，许北洋大发雷霆，亲自监督二人造人。法国的外甥女许诺回国找男友，先找了一个比许北洋还大一岁的老头，接着又和一个纨绔富二代罗士雄谈婚论嫁。按下葫芦起来瓢，让丧妻多年本就不擅长处理家务事的许北洋苦不堪言。女儿是父亲前世的小情人，女儿的出嫁让许北洋“醋”意满满，心碎无痕。为了女儿们的终身幸福，许北洋决意严格把关择婿事宜，想出各种刁钻办法考验三个女婿。雷达不堪其重，和王闯、罗士雄组成女婿联盟对抗岳父！一番博弈，许北洋终于理解和接纳了三个女婿，翁婿和解。