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In essence, classification is to find the common points and differences of things in our thoughts. It is the basic method and ability for us to know and understand the world. On the basis of classification, it is possible to judge and reason, and to form concepts and make decisions. Classification requires comprehensive demonstration activities such as association, analogy, reasoning and extension, and is the basic cell of thinking.15.1 Any naked eye with far vision lower than o.7 is not qualified.　　裴宗玉饰演紧密管理财界第一MC集团"owner risk"的TOP组的"头目"韩帝国。作为MC集团一家的顾问律师，既以忠诚和热爱著称，又是了解所有秘密的无所不能的"秘密实权人物"，也是"王牌人物"，每当老板一家出事时，他都会全方位地活跃来尽量减少风险。沈飞准备退出论坛，继续玩游戏，但是这时却看到了一张截图。在接下来的十五年里，黎璃是裴尚轩生活里唯一不变的挚友，在他失恋的时候，失意的时候，甚至是失去自由的时候；裴尚轩则是黎璃唯一不变的真爱，在她孤独的时候，欣喜的时候，甚至是生命垂危的时刻。Number of plaintiffs: 17面对丈夫欺骗、出轨、背叛，在婚姻这座围城里，作为妻子的她该如何选择？