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One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.英国ITV家庭惊悚剧《近亲》由Archie Panjabi和Jack Davenport主演。聪明的心理学家Mona Mirza（Archie Panjabi）在伦敦过着富足优越的生活，她是家庭的主心骨。她珍爱的兄弟在一个海外医疗慈善机构工作时惨遭谋杀，她陷入极度悲伤之中。这起悲剧令隐藏已久的家庭秘密曝光，Mona和家人卷入一张由背叛、阴谋和谋杀编织而成的大网。无论如何，她必须设法保护自己，保护家人，保护岌岌可危的事业。Jack Davenport扮演Mona的丈夫、政治说客Guy Harcourt。尹旭立即下达了战略命令。After communicating with relevant departments, on July 4, the practice team came to Fusheng Migrant Workers' Children's Expectation School under the high temperature. The school building is not as shabby as people think. Principal Li enthusiastically introduced the school's running situation and difficulties to the team members. The original school's old appearance changed thanks to the NBA "Basketball Without Borders" sponsored by Nokia.老话说：人来到这世上，分三种人：一种人是来知恩报恩。另一种人是逃债躲债。所有的故事都发生在这家名叫“耐斯”的酒吧里，耐斯酒吧有一个非常霸气毒舌的女老板窦盈。在这家名字奇特、风格更加特殊的酒吧里，聚集了五个性格各异的员工，积极阳光美厨娘花米、生僻知识冷场王姚金子、耿直火爆的慕婉清，养生惜命的苏一丁，以及老板娘窦盈的暖男跟班皮特凡，看似已经看透 红尘之事的窦盈，却对皮特凡有一种恨铁不成钢的关照，而皮特凡也对这种关照甘之如饴，彼此之间的情感日益升温，濒临爆点，二人却不敢点破。在这家酒吧里，六个人一起经历了一系列爆笑仍不失温馨的小故事，繁华的都市里，六个好朋友相互扶持，经营着这家酒吧，让彼此的生活更“耐斯（nice）”。　　何建国悉心呵护着小西，这个情人节真的很快乐。小两口沉浸在对未来憧憬的幸福之中时，何建国的父亲带着两个亲戚从农村来到城里，此行的目的是找小西在医院当外科主任医师的母亲替建国当村长的“大伯”看病。在他看来“我亲家母在医院里当主任，权力大着哪！。”