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It's all for you
The Liskov Substitution Principle (LSP) is one of the basic principles of object-oriented design. The Richter substitution principle says that wherever a base class can appear, subclasses can certainly appear. LSP is the cornerstone of inheritance reuse. Only when derivative classes can replace base classes and the functions of software units are not affected can base classes be truly reused, and derivative classes can also add new behaviors to base classes. The Richter substitution principle is a supplement to the "open-close" principle. The key step to realize the "open-close" principle is abstraction. The inheritance relationship between the base class and the subclass is the concrete realization of abstraction, so the Richter substitution principle is the specification of the concrete steps to realize abstraction. --From Baidu
黑胖子走进一看是年轻女子，气消了一些，不再看二人，只摆手道：走吧，告诉你们村里人，从今往后，再踏进这里一步，杖二十。
Beast King Utara
After completing the practical activities, everyone gathered together for lunch, exchanged what they had gained from the practical activities, and talked about what they thought were the shortcomings of the practical activities. We all talked freely about our own experiences. After returning to school, we took a group photo again in front of the public health building. Although we were already very tired, everyone had a confident and satisfied smile on his face.
拉拢不成，索性不如灭了他们，开辟北方战线，即调动汉军向河北诸侯发起进攻，将河北之地彻底地控制在我们手中。
春梅对江小夏的喜欢，但因为江小夏的拒绝，而不了了之，从此性格沉稳，不情愿表露心迹，和柳芸芸呈一个相反的改变趋势。
获得射击冠军的神枪手唐余锦本是一名留德归来的全科医生，他在上海开设诊所，一边治病救人，一边暗中寻找当年刺杀自己父亲的凶手，恪守着不用枪伤人的准则。淞沪大战前夕，上海各界团结起来奋勇抗日。唐余锦原本置身事外，但是在他经历了与未婚妻以及家人相继死于日特枪下的痛楚之后，毅然投奔新四军，加入到对日本侵略者的剿灭中去，组织并参与了一场场惊心动魄的抗日斗争。在抗日烽火的洗礼中，唐余锦完成了一个普通百姓成长为抗日战士的光辉的历程，成为苏北战场上的抗日英雄。
寒风凛冽的草原上，传来一声声惨叫和哭喊，半个时辰后，一阵火光腾空而起，这个小小的游牧部落化为灰烬。
RQ1, …
本剧讲述一个24岁结婚25岁生孩子，直到30岁都不过是个平凡的普通女人，一心以丈夫为天，安心快乐的贤妻良母，到31岁突然知晓丈夫居然在他国有妻子而愤然离婚的女人李姜嫒。别以为这样的女人就只有悲惨的命运等着她，虽然一开始非常辛苦，但很快她就通过自己的努力成为全韩国最畅销的小说作家。如今姜嫒已经年届44岁，培养出了成绩优异听话乖巧的可爱女儿，作为小说家也大获成功，人生可谓志得意满。但却一下子在这巅峰上被打落，姜嫒被宣判得了胰腺癌。雪上加霜的是，原本相依为命的女儿竟然开始和母亲作对。本剧旨在探索究竟何为真爱。因对父亲的思念，竟然转化为对母亲莫大的误解，母女之间甚至产生巨大的鸿沟，明明深爱对方却又彼此伤害，终于通过再一次的拥抱，体会到家庭的重要性。
PE Powder Hot Melt Adhesive:
嗯，看到这里，我知道你们肯定有种想要骂人的冲动，好吧，月下也觉得确实该骂。
魏铁听了，差点掉下眼泪。
