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The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.杨洋参加死党小涟的婚礼一见动心，立即决定和姜源结婚。杨妈和居白多年相处，居白却不愿打破现时格局，令杨妈很郁闷。姜源到阔别多年的上海出差，遇见自己的初恋吴蘅，才发现彼此相爱甚深，想对杨洋说明。谁知阴差阳错，几次都没有说清。杨洋使出浑身的解数准备婚礼，婚礼当天，姜源临阵落跑，一时哗然。第十季的结束，迪恩招来死亡骑士（天启四骑士中的“死亡”)，死亡骑士告知迪恩印记是一个黑暗的封印，在上帝创造世界之前，存在于世界的黑暗。迪恩准备杀死萨姆，因为死亡骑士判断萨姆会拯救迪恩。罗薇娜利用咒语书解开了迪恩的诅咒，同时也解开了自己的手铐，她凭着咒语定住地狱之王，又控制卡西迪奥，让卡西迪奥杀死地狱之王。迪恩解开了诅咒也解开了诅咒封印的"黑暗"。但"黑暗"带来的破坏令他们始料未及，迪恩与萨姆又走上了拯救苍生为己任的道路。　2. The objective aspect of the crime is that the perpetrator has committed acts that illegally damage the health of others. Damage to the health of others mainly refers to damage to the integrity of human tissues or damage to the normal function of human organs. There are many kinds of means of injury, but no matter what kind of means are used, those who hurt others' bodies are all injuries.到底是什么人也对蒯彻感兴趣，而且采取的方式比自己还要直接。