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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.尹泰秀在家是担负养家糊口重任的一家之长，在外却是为了维护团伙利益不惜一切的凶狠黑帮。他人到中年，要赡养父母，却得不到儿女的尊重，还对自己的养老问题忧心忡忡。他对凭拳头打天下的黑帮前辈毕恭毕敬，却被凭资本取胜的黑帮后辈以金钱做出评价。泰秀是为了家人顽强生活的父亲，也是不知何时会背后中刀和入狱的谋生型黑帮。在本是模范学生的儿子加入校园不良团伙后陷入黑社会的泥潭时，他醒悟到世上最恶劣的就是黑帮。他为了成为问心无愧的一家之长金盆洗手，遇到无数诱惑与困难，但凭借对家人的爱克服困难。通过他作为理直气壮的一家之长重获新生的过程，让人们醒悟到家庭的可贵 。十九世纪六十年代的美国芝加哥灰熊橄榄球队可是名噪一时的强队，多次取得令人羡慕的成绩。作为球队的核心，布赖恩一直是灰熊队最主要的后卫人选。直到有一天曾经为大学全明星球员的贾乐来到了灰熊队，并以其突出的表现欲取代布赖恩在队中的位置。然而他患上了一种非常罕见的癌症。眼看布赖恩的身体日渐虚弱，贾乐一家和布赖恩的妻子一直在他身边支持、鼓励着他，希望他能够尽早战胜病魔重新回到自己为之奋斗的球场。但是情况似乎越来越遭。The people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall, in accordance with these Regulations, establish and improve the supervision system of medical security funds to ensure the safe and effective use of medical security funds.导演彭文洲资颇厚，技术也很好，就算电影失败，他最多也不过是返回原样。