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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.So in order to reflect the selfie effect of Oppo R9S, did you really take selfies?"Er... how do you say this, In terms of appearance, it should be regarded as common, but the physique is much larger than the common. The kind of rats that drill in the ground is a kind of big rats. They fly like big wasps in the sky. They are all in groups, and they are very fast and flexible. They are not easy to hit with guns. Once surrounded by them, they are basically finished. " Zhang Xiaobo said.　　但正当事情要水落石出时，女大学生站出来要阻止这件事，面对女孩一生的清誉和一个农民儿子一辈子的心愿，古国歌也不知如何取舍。　　于馨对端木（俞灏明扮演）的感情未了，她开始为了端木改变自己，努力让自己变成一个像雨荨一样的女孩——坚强、自信、努力。但后来发现端木竟然得了绝症，于是开始照顾他，最后，端木被于馨（彭杨扮演）的执着感动，与之感情和好作为一名兼职顾问，Allison来到地区检察官办公室，运用其能与死者交谈以及能预知未来的超能力，协助侦破一些严重的恶性刑事案件。她与其充满神秘色彩的检察官Devalos和其他人一起共同维护本地区的治安。 Jake Weber在剧中饰演Allison的丈夫Joe，他永远是Allison最坚强的后盾。而Sofia Vassilieva与Maria Lark在剧中饰演两个最年长的孩子Ariel和Bridget。David Cubitt在剧中饰演侦探Lee Scanlon，Madison Carabello则是那个最小的孩子Marie Dubois。Caron是本剧的监制和制片。担任制片的还有Kelsey Grammer、Steve Stark、Rene Echevarria以及凭借《普通人》一片获得奥斯卡奖的Ronald L. Schwary 。《灵媒辑凶》由Picturemaker Productions、Grammnet Productions以及NBC电视台联合出品。板栗对他摇摇头，对来到近前的郑老太太笑道：外婆，可是来帮我过生日的？郑老太太笑眯了眼睛，不住点头道：也是为了你们过生日，也是为了看小葱，顺便瞧瞧我紫茄。