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At present, there are no guiding principles to decide when (or even whether) to take action to deal with cyber war. If those in power have benefited from the attack or even carefully planned the attack, then what motive do they have to retaliate? This further complicates the situation.庞取义童心未泯过后，这才说道，应了他，盯紧了，他要老实种海，就如你所说，帮着他，也让所里兄弟们有口羮吃。蔡志忠以他生花之笔加上幽默技巧，把老子博大精深的思想表现出来，现再以动画形式，使它更生动传神地重现观众眼前。这条路恐怕是世上最最险恶的道路了吧？燕南天眼光坚定，毅然决然地走上这条路。宋子豪和Mark情同手足，某次宋子豪带手下阿成去台北交易时被其出卖受枪伤被捕入狱，为替好兄弟报仇，Mark孤身赴台，结果被打成瘸子，而宋子豪的父亲也被杀。宋子豪出狱后不顾苦等他想重创辉煌的Mark的劝阻，决心弃暗投明，无奈得不到杰仔的谅解。而此时已成帮会老大的阿成欲找宋子豪再合作，遭拒绝后放言会害宋子杰，被逼走投无路，宋子豪决定再与Mark连手共抗强敌。庞夫人笑着拍了拍副千户，这样，你过去提点一下，我就在这里等着。One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.