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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.加拿大CBC新喜剧《上班族妈妈》是一部典型的女性剧，女人是否能拥有想要的一切？对这些上班族妈妈来说，有些时候她们的确能心想事成，但有些时候……一事无成。该剧将深入剖析当代的「妈妈文化」，主人公Kate（Catherine Reitman）和Anne（Dani Kind）已经做了一辈子朋友。Kate是个温和、务实的公关经理，Anne则是个严肃的心理医生。她们在一个妈妈互助小组中遇到了可爱但胆怯的Jenny（Jessalyn Wanlim）和生活混乱的Frankie（Juno Rinaldi）。四个女人很快组成闺蜜小圈子，并且建立起不靠谱的友谊。该剧将展现这四个都市妈妈最原始、最真实的一面，展现她们的爱情、事业和为母之道。她们要面对讨厌的同事、永远不知满足的孩子、产后抑郁症，甚至性欲的「第二春」，但她们选择用幽默和尊严来度过每一天Hardware Firewall: Some firewall functions are implemented at the hardware level, while the other functions are implemented based on software, with high performance and high cost.Independent Attack +40　　古峰失去了爱情，失去了事业，甚至失去了笔记本的帮助的时候，却渐渐发现其实韩颜敏背后有一个天大的阴谋：原来自己当年目睹的那场车祸，正是韩颜敏的叔叔韩泰想将韩颜敏一家置于死地，所幸韩颜敏在古峰的帮助下活了下来，而这一次，韩泰卷土重来，背后的势力竟然是自己曾经的好兄弟书灵。