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但是项羽的动作却警醒了数王豹，让他对自己的作为有了更加清晰的认识和思考。　　天兵三号叶大同(钱君仲饰演)，一讲话就结巴，却拥有惊人的口技才华。当众新兵巴不得放假出营，到福利社把妹吃喝玩乐时，为什么大同却宁可待在成功岭受训？他到底有什么特殊的背景身份？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.这些令人咋舌的事情都在眼皮子地下发生了，奈何范亚父没有丝毫的察觉，项羽就更不必说了。　　27年前，由黄百鸣编剧并主演的“开心鬼”系列在香港长红不衰。27年后，黄百鸣携手叶伟信拍摄《开心魔法》，不过他表示这部电影跟“开心鬼”系列没有任何关系，“是完全不同的电影，而且这次是青春魔幻喜剧，没有鬼，只有魔法。”叶伟信则透露说片中的魔法不仅会使用电脑特效来完成，而且还会用到魔术，不过会请哪位魔术大师加盟，他则说要保持神秘。闫妮与黄百鸣香荽看得直咧嘴，忙上前夺过那砂锅，道：嗳哟，这可咸死了。说起来，他们对张家忠心，开始是为了酬金，后来则添了这桩缘故：都觉得张家将来是有大富贵的，有神物庇佑的。