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The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.波记大排档老板波叔同时也是太平坊一幢楼的房东，如今太平坊地盘开发，好多老邻居迫于压力搬走，波叔守着老房与租客，拒不出售老房。波叔的小舅舅大智从北京杂技团来港投奔波叔，要为自己打拼出美好前途。但波叔对后者花哨的做饭方式嗤之以鼻，认为是不务正业。另一方面，欲开发太平坊的林氏集团公子林枫不满意父亲惟利是图，愤而出走却被流氓打伤，林枫被波叔救回，得到街坊们的照顾帮助，并结识了波叔的女儿小爱。大智有机会赴国外发展但却遭波叔反对，二人不欢而散。林氏集团加紧了对太平坊的收购，这造成了小爱和林枫的隔阂…　USA剧《黑客军团》第三季确定在美国时间10月11日作新季首播，在新一季中会探讨每个角色的动机，以及Elliot与机器人先生（Rami Malek及Christian Slater饰）之间的分裂。总之，自己是没有机会去戚府闹了。B women's 4 still water events: 500m single kayak, 500m double kayak and 500m four kayak; Jet Roundabout: Single Kayak.翘儿赶紧跑过来说出了跟凤海一样的话。Take 'Market Insight', one of BLM's major modules, for example, which is also what everyone understands as' Market Analysis and Evaluation '. Its use in formulating company strategy and product line strategy is completely different, which is related to the different levels of concern of company strategy and business strategy. Corporate strategy focuses on which businesses to choose or exit, What is the priority development order of each business and how to formulate the business development strategy at the company level? Therefore, when analyzing the market opportunities at the company level, the focus is to analyze the attraction and competitiveness of the industry environment in which each business is located, and to analyze the strategic positioning of each business and the business combination strategy that the company should adopt. The business strategy focuses on which target market segments should the business develop in? How to develop? What measures have been taken to promote development? Therefore, when analyzing the market opportunities at the business level, it is necessary to subdivide the market of the business, analyze the attraction and competitiveness of each subdivision market respectively, and then make clear which subdivision market the company should choose and the combination strategy of each subdivision market through strategic positioning of each subdivision market. In order to succeed in the market segment, the 'market insight' needs to further analyze the pain point needs of the main competitors and target customer groups in the market segment, but these analyses are not the key content in the 'market insight' at the company level.