The best way to conform to the opening and closing principle is to provide an inherent interface, and then let all classes that may change implement the interface, allowing fixed interfaces to interact with related objects.
BOT is the abbreviation of Build-Operate-Transfer, which is usually literally translated as "Build-Operate-Transfer". BOT is essentially a way to invest, build and operate infrastructure. On the premise of reaching an agreement between the government and private institutions, the government issues a concession to private institutions to allow them to raise funds to build a certain infrastructure and manage and operate the facility and its corresponding products and services within a certain period of time. The Government may limit the quantity and price of public goods or services provided by the Agency, but ensure that private capital has the opportunity to make profits. The risks in the whole process are shared by the Government and private institutions. When the concession period ends, the private organization will transfer the facility to the government department as agreed, and the facility will be operated and managed by the government designated department. Therefore, the word BOT is paraphrased as "infrastructure concession.
外府青年不经意间闯入花花世界的“天使之城”
However, there are other software developers who, when designing programs, always name classes with similar patterns, such as so-and-so Facade, so-and-so Factory, etc. In fact, the contents of the classes have nothing to do with the design patterns at all, but are only used to flaunt that they understand the design patterns.
俗语说，人吃五谷杂粮，哪有不生病的，所以一定要派个人学医。
该剧以主要讲述了芝加哥51号消防站应急救援队的故事。这一群英勇的消费队员们包括：副队长Kelly（泰勒·金尼 Taylor Kinney 饰）、队长Walter（伊默恩·沃克 Eamonn Walker 饰）、急救员Gabriella（莫妮卡·雷蒙德 Monica Raymund 饰），对自己的工作十分忠诚、资深消防员Christopher（David Eigenberg 饰）、玩命消防员Matthew（杰西·斯宾塞 Jesse Spencer 饰）、准消防员Peter（Charlie Barnett 饰）等。这群勇敢无惧的男女却义无反顾地冲进最危险的地方，每天都要和死神打交道，要在最紧张的时候做出最重要选择，每天都要面对自尊与自负的考验，工作的责任和压力给他们的性格带来了巨大影响......
32. The functional departments of the Company's organs have changed their working ideas and work style. In the future, Relevant departments can make one phone call clear and do not make two calls, Can a notification contain not many notifications, Can coordinate at a meeting and not open twice, Can personally go down to the front line to collect materials, Relevant issues do not call for materials. No matter who does anything, they should pay attention to the procedures and rules. They should not stick to the end, add chaos to the front line, really reduce the burden of front-line work, really establish the idea of serving the front line, and really let front-line personnel concentrate on the management work and complete the lifeblood sales work of the company.
颜值颇高的 江寒 是一名怀揣音乐梦想的康复科男护士。在医院，体贴温暖的江寒经常遭受患者的“骚扰”。但他们不知道江寒乖乖男的外表背后，还藏着一个叛逆不羁的灵魂。江寒生活中最大的乐趣，就是周末下班后去酒吧驻唱，释放压力的同时，维系自己的音乐梦想。一天下班后，江寒在酒吧遇到了一个喝醉酒抢话筒的女生—— 夏天 ，江寒立刻被这个任性大胆的女生吸引。不料第二天，夏天就作为实习护士来到江寒所在康复科实习，她的到来给江寒的生活带来了翻天覆地的变化。 在工作与梦想层层考验和挑战之下，江寒和夏天两人一起对抗毒舌难搞的护士长 张尔晴 ，也收获了同样拥有音乐梦想的面瘫高冷男主唱 周子翼 的友情 。三人在追梦的路上跌跌撞撞，收获爱情与成长。
华山派大弟子令狐冲（吕颂贤 饰）生性放荡不羁，和古板严肃的掌门岳不群（王伟 饰）形成鲜明对比。令狐冲和岳不群的女儿小师妹灵珊从小就青梅竹马，各人都认为令狐冲日后将会继承岳掌门的衣钵。令狐冲虽然加入华山派多年，但武功一直平平，直到一次偶遇剑宗风清扬并被授予名震江湖的独孤九剑，令狐冲剑法大有进展。心胸狭窄的岳不群发现令狐冲武功大涨，大有超越自己之势，暗中对他十分不满。另一方面，林平之（何宝生 饰）家中因为藏有武林中人人欲得的葵花宝典而满门遭到毒手，只有他一人逃脱。岳不群为了获得葵花宝典而将平之招入华山派，表面上是为了保护平之，其实暗怀鬼胎。令狐冲被岳不群借口逐出了师门，连一向感情深厚的小师妹亦转投了林平之的怀抱，令狐冲心灰意冷之际开始独自闯荡江湖……
伊莱克特拉(詹妮佛·加纳饰)曾经是一个无忧无虑的女孩，虽然母亲早逝，父亲却为她构架起一方幸福的小天地，暂缓了没有母爱的遗憾。
在这部具有讽刺意义的剧情喜剧中，一对已分居的夫妇为了孩子而住在一起。本剧探索了现今社会中，何为好家长和好配偶
亲子鉴定师董宁书在一次意外中认识了富二代张希达，张希达被董宁书吸引，入股她所在的安和亲子鉴定中心。他声称自己是个网红作家，希望积累素材。董宁书对这个浮夸的年轻人没有什么好感。随着两人共同处理了很多案例。她发现张希达身上的热忱和温暖，逐渐接受了这个年轻人。张希达也在各种光怪陆离的亲子鉴定案例中，发现了专业亲子鉴定师的魅力，也发现了亲子鉴定师这个行业的重要性。
Chapter 4 Gold Standard
一个身穿褐衣的武士匆匆进去一座营帐，进门后跪地说道：禀报司徒大人，越王尹旭已经离开咸、阳，正向武关方向进发。
小葱疑惑地问：送子娘娘？那媳妇有些不好意思，忸怩道：那个孩子……他……躲在床底下的时候，我跟当家的正好……那个……后来，就怀上了。
先前只顾想点子和行动，一直不觉怎么样，这会儿真趴在屋顶上，小娃儿心就咚咚跳起来。
一声巨响，一条火龙从井底喷出……1976年，唐山一带出现了罕见的地质异常现象，国家地震局为了保证地震检测的准确，派有经验的周海光赶赴唐山，任唐山市地震台台长。周海光与地震局同事超凡去防空洞里勘测，使周海光意想不到的是，洞里不仅气温升高，而且成群的老鼠不停的乱窜。更为严重的是洞内不断有墙壁裂开，且喷出伴有硫磺气味的黄白色的气体，随后，一声震天巨响，周海光立即向市委、市政府作了报告。水位的升高、鱼类的死亡、老鼠的迁徙，尤其是煤矿井下出现了地热喷涌等一系列现象说明大地震即将爆发。周海光在向市政府汇报同时，向全市发出了地震临震警报。然而唐山并没有地震，而是河北大城地区发生了4.2级的地震。这次的误报，使周海光受到了极大的压力。
