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If I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.Independent Attack Power Treasure Pearl急患 佐野史郎 近藤真彦在儿科轮转的一年住院医生唐雨佳，个性倔强又有点儿二，她终极梦想是当一名外科大夫，却没想到“沦陷”在小儿科。唐雨佳先是遇到了专业上无比严苛的导师叶梅，在她的挑剔和“打压”之下，唐雨佳在业务上急速成长。随后，唐雨佳遇到了儿科“一把刀”褚子键，这个男人专业上的强势和生活上的困窘形成了强烈的对比，唐雨佳无可救药的爱上了他，为此不惜和家人反目。然而褚子键在经历过痛失爱女之后，并没有选择雨佳，而是理智地选择了一个更合适他的人：初恋情人叶梅。在经历几番苦痛之后，唐雨佳与儿科主任钟琴的儿子申赫相爱了，但钟琴十分强势，她非常喜爱雨佳，但却强烈反对她成为自己的儿媳。唐雨佳在儿科的轮转即将结束，她体会到了儿科医生们的艰辛，最终被钟琴对患儿们的无私和热爱打动，决定留在小儿科，做一名称职、有坚守的儿科大夫。　　军分区成立水上游击队，丁水妹成为副队长，队长就是她很讨厌的老魏，丁水妹对老魏处处刁难，尤其是发现老魏不会水后，更成为了一个巨大的笑柄。　　《迷路》：2018年的新春，丈夫回到香港与妻儿团聚，当他拿着旧照片在日新月异的香港街头追忆当年时，却彻底迷失了方向。最后，回忆不幸化成追忆。7. Defeating the enemy hero can obtain the props and equipment on his body, and the defeated enemy hero will be eliminated accordingly. In this mode, each player has only one life and will not be resurrected after being defeated (in the team formation mode, he will enter a near-death state);