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/v flee蒯彻是何许人也，想必汉王刘邦也是想要招揽到麾下的，这件事情要是让刘邦知道……嘿嘿。接着，她又不经意地问道，那样式的荷包，慕琴不是也帮你做过？慕琴针线比我好多了。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尹旭和一众越国君臣都有些无语，也太不给面子了，竟然招呼不打就这样走了。老马先生为继承哥哥的遗产，一家小古玩铺子，带着儿子小马，飘洋过海到了伦敦。经在中国传教的伊牧师介绍，寄居在温都太太家里。温都太太是个寡妇，就和闺女玛力一起生活，起先是一百二十个不愿意招俩中国人来家住－－中国人多可怕呀！杀人放火带吸毒，天底下的坏事没他们不干的！可架不住伊牧师的死说活磨打保票，另外他们的房租也出的高啊，一年能有不少钱进帐，贴补她们孤儿寡母的家用，勉强算答应了。