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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.1998年的过去，陈韵如从昏迷中醒来，在她昏迷的这几天，她做了一个好长好长的梦，梦里的她，名字叫做黄雨萱…　　你有没有玩过碟仙？究竟碟仙是解你疑难，还是带更多难题给你？《凶宅清洁师》就于最真实的生活场景，创造了一个由一只碟而起的鬼空间。这个空间将所有人物命运牵连，要解开千丝万缕的人鬼关系，身为凶宅清洁师的招仔就要不停收鬼，过程中提升能力，搜寻线索，以解决碟仙鬼为终极目标。大家又可不可以化身招仔，将谜题逐一解开？2. You must first sign up for Nanjing Social Security Training (the training duration is 1 hour, please sign in on time) before you can apply for the CA certificate. The clerks registered on Nanjing Social Security Website, the trainees and the CA certificate managers must be the same person (other people can also bring the relevant certificates of the clerks and enterprise information to handle the CA, and the managers on the application form still fill in the clerks themselves).第一和第二系列可通过流媒体平台Britbox North America观看。ITV工作室将在国际上发行该剧。