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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.数年前，佛山最大的银楼之一“尚银楼”面临经营危机，银楼当家大少爷尚铿（秦沛 饰）与妻子小蝶（薛家燕 饰）一起苦苦相劝二少爷尚鋆（伍卫国 饰）与沈家小姐结婚，好取得沈家的贷款。当时二少爷已经有了一个谈婚论嫁的恋人秀杏（伍咏薇 饰），但为了家族，也只好忍痛与沈家小姐结婚，婚后到了法国生活。奸诈的尚铿看中了秀杏的美色，与小蝶一起用计将秀杏骗来与自己成了亲。可怜秀杏一直以为当年是尚鋆行礼前远走高飞，自己为保名节才与尚铿行礼。稀罕？赵光头这就要扔了雪茄。3. Select the shape style of Fine Effect-Olive Color and Emphasize Color 3 "from the drop-down option, as shown in the figure.项羽和范增多次商议之后，终于确定下来分封方案，于今日召开朝会当众宣布。Who are these people and why they died? The police immediately thought of the "Changsheng Wheel" that mysteriously disappeared last month.罗七疑惑地看了他一眼，心中暗道：他们竟真不知道？那刚才那样剑拔弩张，刀剑相向又是为哪般？轻轻一笑，旋即便释然了，这些都不重要了。