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早晚会被盯上。The Liskov Substitution Principle (LSP) is one of the basic principles of object-oriented design. The Richter substitution principle says that wherever a base class can appear, subclasses can certainly appear. LSP is the cornerstone of inheritance reuse. Only when derivative classes can replace base classes and the functions of software units are not affected can base classes be truly reused, and derivative classes can also add new behaviors to base classes. The Richter substitution principle is a supplement to the "open-close" principle. The key step to realize the "open-close" principle is abstraction. The inheritance relationship between the base class and the subclass is the concrete realization of abstraction, so the Richter substitution principle is the specification of the concrete steps to realize abstraction. --From Baidu在“TokyoExplosion”的未知灾难背后，有一名暗中活跃的契约者——代号“黑”，被称为黑色死神的男人。制造了与“组织”敌对的事件，黑和他的同伴，身为DOLL的银一起踏上了逃亡之路。他们一边击退组织派来的刺客，一边向南方前进。在漫无尽头孤独的逃亡旅程中，两人可以信赖依靠的，只剩下彼此而已……Callie and Arizona have to make a choice regarding surrogacy while the board has to decide whether to give Cristina's seat on the board to Alex or Bailey. Amelia overhears the truth about Maggie Pierce.《佛本是道》前半部的确有些平凡无奇。为了让檀无心安心入睡，马主韩贴心准备薰衣草蜡烛，不料差点发生事故？！神秘女子上线，又会与他们发生怎样的化学反应呢…… Some people think that the long-standing tension between regulatory authorities, public departments and financial institutions should at least bear part of the responsibility for network security accidents, because it is precisely because of this contradiction that enterprises often choose to make big things smaller and small things smaller.