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This is the basis of the opening and closing principle, and the specific content: interface-oriented programming, relying on abstraction rather than concreteness. When a specific class is used when writing code, it does not interact with the specific class, but interacts with the upper interface of the specific class.咖啡厅店员Dương与好友去追星，意外撞见刚从浴室出来的偶像Nhật Nam，误会厘清后，两人又在咖啡厅相遇，Dương这回随意录下Nhật Nam来店的片段，并发文写下乱七八糟的情节，给Nhật Nam带来风波，两人的纠缠可是剪不断、理还乱，最后究竟会如何呢？《超能疯人院》讲述一个来自“落后”星球的青年人自制飞行器来到地球，寻找曾经因战争而流亡到地球的亲人，却发现隐藏的坏人一直进行着不为人知的计划……笨狗，你想一头撞树上撞死哩？那是笨兔子才会干的事儿，你是狗，还比不过兔子？真笨。《甜蜜的心跳》是一部讲述因被迫受到伤害而不在相信爱情的人和渴望家庭之爱的人，以及遇到另外的家人后过上幸福生活的人们掉入命中注定的爱情中。因为CellularMemory通过脏器移植后，受惠者的性格和习性都向捐赠者转移，两队男女命中注定的爱情故事。A: If you achieve two achievements in 25 people, you can start. First, "draw firewood from the bottom of the kettle! 25 people battle Tangmen", 2, "rescue four Tang! 25 people battle Tangmen"先关着吧。