"Is-A" refers to the "one" of one class and belongs to another class, while "Has-A" is different, which indicates that a certain role has a certain responsibility. A common reason for the wrong use of inheritance instead of aggregation is to mistakenly treat "Has-A" as "Is-A". For example:
板栗看着他好端端的腿脚，黑着脸道：不会撒谎就别弄假。
Near-focal specimen
She said frankly that the best part of marriage is that when you want someone to accompany you, he is willing to accompany you.
A Commonly Used Electronic Time Relay with Power-on Delay
First, business skills
东北大学抗日青年张北惨遭日寇灭门，他怀着一腔仇恨，欲单枪匹马与侵入中华国土的日寇做生死斗争。张北的女友、爱国青年赵微澜毅然投身共产党。身怀国仇家恨的张北与赵微澜不得不暂时分离。在孤身对日寇斗争的过程中，张北面对着金樱子的单恋、共患难的季娜和义妹花花之间或内疚、或感激、或温暖的情感，遭遇着重重险阻、屡屡受挫，幸得我党志士老铁、赵薇澜等人的数次救难和协助，得以脱离险境。在血与火的洗礼中，张北逐渐看到这些坚定的共产主义革命者身上的大义和无畏精神，开始反省自己一直坚守的独行狭义主义，终于接受我党在思想和精神上的召唤和指引。最终，张北在我党革命志士的帮助下，终完成一项项艰巨使命，并成长为一名坚强的共产主义战士。
故事发生在1800年代中期荷属东印度群岛殖民时期，一群背景各异的人起身反抗总督的残暴统治，不久便掌控荷军驻扎过的格里斯小镇。片中剧情围绕着数个拥有不同背景与信念的独特角色发展，他们团结一致努力摆脱暴政的钳制，争取决定自己命运的机会。
转向毛凡，毛大叔真是出馊主意。
忽然想起眼下不该跟他们说话，该跟爹娘多说些话才是——这可是真要走了，刚才还觉得梦一样呢。
《格林童话》产生于十九世纪初，是由德国著名语言学家，雅格·格林和威廉·格林兄弟收集、整理、加工完成的德国民间文学。它是世界童话的经典之作，自问世以来，在世界各地影响十分广泛。格林兄弟以其丰富的想象、优美的语言给孩子们讲述了一个个神奇而又浪漫的童话故事。在国内，日本，台湾也有根据《格林童话》创作的故事集。
Policy pattern refers to defining a series of algorithms and encapsulating them. However, policy pattern not only encapsulates algorithms, but also encapsulates a series of business rules. As long as these business rules have the same objectives, we can use policy pattern to encapsulate them.
一九四七年，蒋军对我解放区的全面进攻节节失败。为挽回颓势，蒋介石决然改变战略部署，变全面进攻为重点进攻，个图剿灭我最富战斗力华东野战军。我陈毅、粟裕率领华野十个纵队和地方
1949年12月，上海解放半年，潜伏在上海的国民党大特务头子陈恭鹏笼络了一大批旧上海的投机商，操纵银元黑市交易，并大肆伪造人民币投放市场，致使银元价格狂飚，人民币信用暴跌，物价随之飞涨，情势万分危急。为粉碎“光复社”的破坏活动，上海市军管会命令治安管理委员会和地下党，成立“铁流行动小组”，侦察英雄燕双鹰奉命乔装成旧上海的青帮老大，以其特有的方式先与陈恭鹏展开争斗，在陈觉得筋疲力尽与他谈和之时，趁机卧底到光复社内部。在残酷的斗争中，铁流小组组长张桥付出了生命的代价保护了燕双鹰。最终，燕双鹰获得了陈恭鹏的信任，挖出了隐藏在铁流小组中的内奸，抓捕了银元投机商，一举破获假钞印制厂，彻底粉碎了敌人的阴谋，将以陈恭鹏为首的潜伏敌特一网打尽。
1. After the preparation bell rings before each subject starts the examination, the examinee will enter the examination room with his ID card and admission ticket, take his seat accordingly, and put the ID card and admission ticket in the upper left corner of the desktop so that the examiners can check them.
晚辈实在汗颜，都没脸见王兄了。
This paper summarizes three attack technologies against artificial intelligence systems-antagonistic input, data poisoning attack and model stealing technology. Specific examples and defense strategies are added to the discussion of each attack, aiming at providing an overview for all those who are interested in using artificial intelligence for anti-abuse defense.
一名荷兰电视台记者发现自己正在向警方、法院和媒体发起挑战，试图揭露备受争议的德文特谋杀案的真相。
赞叹笑闹一阵，提了两篮子鸭蛋去水边洗干净了，众人方才转回寨子。
