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范增说起了此事的关键之处。20. Repeated work wastes more time. More time should be spent on work instead of just writing. Fortunately, it is not necessarily possible to do a good job. Regular organization and management personnel can hold seminars to summarize the work and raise some work problems and matters to be coordinated. The departments involved in the problems should keep records and complete the work within a time limit. Our department usually organizes seminars twice a week. Work plans, summaries and daily work logs are submitted weekly, Generally, problems are reported in a timely manner. In addition, the cashier foreman's work is rather complicated. While doing a good job in daily work, he has to deal with all kinds of emergencies, return of goods by customers and replacement of cashiers at the cashier's desk to avoid suspension of the cashier's desk. He also has to sum up the problems in the work and find out the improvement methods. There is not much time to write. I hope the company leaders can consider the time needs of each post and don't just let everyone write it. Each department will discuss it regularly and solve the problem within a time limit. Even if it saves time, it also has efficiency.　　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.一家跨国制药公司“葛安公司”，与国内某沿海城市合作兴建了一座大型生物工程基地。西海医院院长徐谦，感觉到葛安在医院下属的肝病医疗中心干着某种非法药物实验的勾当，但对方组织极其严密，违法活动不着痕迹。徐谦又发现葛安的人还意图窃取自己的导师、在世界流行病领域享有盛誉的肝病中心主任凌知渊正在秘密研究的某项重大科研成果(“黑郁金香”病毒研究)。《恋爱SOS 第二季》讲述了一个颇具戏剧性的故事，四个要债人因为同时追缴欠款凑到一起，他们想尽办法终于成功地将逃债的损友堵在十字路口，却只拿到一个行将倒闭的网站，于是合伙干起爱情委托网站。　　《铃铛记》：康熙厌倦了后宫争宠，太子争储等烦事，独自一人离宫出