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守株待兔，这个寓言的含义他还不能领会，他听的时候只疑惑一点：为啥兔子好好地要往树桩上撞哩？今天看见小七一头撞向柜子的时候，他终于明白了。Unicom人类围绕着最原始的欲望——住所和食物，爆发了席卷全世界的第三次世界大战。在一间教学素质低下的学校里，有一个不成文的传统：学生们凡是遇到了争执，都不能告诉老师家长，只能自己用拳头解决。石头是最能打的一个同学，一次帮助富家子Edward解围，彼此成为朋友，二人也因此得罪了学校里的好战分子。阿凤一直暗恋既帅气学习有出色的Edward，而Edward认为学生最紧要是学习，会考时间逼近，Edward便义务帮助石头与阿凤补习。由于家境富有，Edward竟然在考试当天被绑架了，石头决心把他救回……Explain that in the OrderPizza method, we do a lot of things, including calling the CreatePizza method to generate a desired pizza, and then doing a series of operations on the pizza. The key point is that Pizza is defined as an abstract class, which means that in the OrderPizza method we don't care what type this Pizza is at runtime, in other words, this is decoupling. The coupling between PizzaStore and Pizza is uncoupled.不到一盏茶的工夫，就把围攻将军府的一千虎禁卫杀个精光，血洗清华街。