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In case of the above situation, please contact customer service for the specific price.凯奇饰演的老爸是个职业罪犯，一次团队走衰导致他被捕入狱，而当他出狱时，他心爱的女儿已出落成大姑娘，且对这位传奇老爸心生疏离。冤家路窄，凯奇的仇家瞅准机会绑架了他的女儿，把她锁在纽约的某辆出租车中，如不交出1000万美元赎金，撕票没商量，而留给凯奇大叔的时间，只有短短12个小时…………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 BaiduJiangxi Province张家原谅胡家是一回事，求亲是另一回事，名节之事更是另当别论。情况立刻反转，由徽王选贤变成姑娘选富选勇，几乎每位姑娘身边都围上了几人，最扎眼的几位身旁甚至有十余人，二十余人。啊……小鱼儿的声音嘶哑，声音如同锯子在锯割树杆一般，咽喉中就像是火在烧，但是小鱼儿依旧在嘶吼着。