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本乡猛的未来被扭曲了。Judgment:这个不大惹事的年轻人这样好的身手，只一招就把他打趴下了，看情形竟是轻松的很。Lins' eldest son 06看完三章后，这个铁粉说道。His greatest characteristic is "mental retardation". Once in class, the teacher asked us to write a composition. After finishing, Lin Nian asked the teacher, "Teacher, what notebook do you use to write?" The teacher replied, "I will not answer the questions of the mentally retarded." Lin Jialian said, "You are mentally retarded!" It can be seen from this that he is mentally retarded, because he doesn't even know what notebook to use to write his composition, and he also talks indiscriminately regardless of the occasion and object, proving that he has not grown up and has a low IQ.Policy pattern refers to defining a series of algorithms and encapsulating them. However, policy pattern not only encapsulates algorithms, but also encapsulates a series of business rules. As long as these business rules have the same objectives, we can use policy pattern to encapsulate them.