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Letter 3DM Initial ChineseIf 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.那个清南村，听说村里的孩子都是神童。本剧由《莫斯探长前传 Endeavour》主创Russell Lewis负责，改编自Peter James的「Roy Grace」小说系列。首季由2个120分钟的故事组成，分别改编自小说《Dead Simple》及《Looking Good Dead》。因为在这一章中，非常详细的描写了如何扎马步。　　早年结拜，现已在上海滩各成气候的六兄弟同时卷入迷案，风云骤起，人人自危。神秘、惊悚、悬疑、推理…… 刘志文（冯远征饰）和俞笑舟（王同辉饰）是上海警局一组和二组探长，刘志文同时还是副局长唐龙生（巫刚饰）的干儿子。两人是亲密搭档，又同时喜欢唐龙生从法国归来的女儿唐梦云（周显欣饰），在整治黑道得罪了黑道大佬仇阿斌（姚侃饰），仇阿斌一直寻找机会惩戒他们，向警界施压。　　在「50」重案组的帮助下，McGarrett发誓要了结父亲遇害的案子，让父亲得到安息。与此同时，他也将带领自己的战友扫清这座美丽岛屿上的一切邪恶，让夏威夷－－美国的第「50」个州－－永远是人间天堂。