"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:
The phenomenon of accelerated death of cancer patients due to surgical treatment has further aroused people's fear of cancer. Nowadays, most people do not die of cancer, but of psychological fear. Therefore, we must, like the United States, carry out a large-scale publicity that cancer is a chronic disease. First of all, by solving this psychological disease well, we can reduce the mortality rate of cancer patients in our country-after all, it is the first to save lives. Every year there are 2.2 million people with cancer in our country, and 1.6 million people are killed in a year. If each person pays 100,000 yuan for treatment, the country spends 1600 trillion yuan on cancer treatment every year. We built many magnificent hospitals in exchange for 1600 trillion and 1.6 million lives. The country pays a lot of foreign exchange to buy medical equipment for cancer treatment. Many people have lost their homes and given birth because of the treatment of cancer.
秦汉时期关中的气候条件还是相当之好的，树木郁郁葱葱，森林茂密，河湖众多，有陆海支撑。
D Don't add materials and scenery components early, but fill in the colors first and then change the materials in the material editing panel.
王府的格格雪珂（刘雪华 饰）与下人亚蒙私奔，茫茫雪夜，这对恋人以天地为证结成夫妇。然而王府追兵很快到来把二人捉了回去，为求保住亚蒙性命，雪珂以死相逼，无奈，亚蒙被发配充军新疆，而已有身孕的雪珂诞下女儿后即被安排嫁给父亲世交的儿子罗志刚。
Henan Province
《川东游击队》是重庆市庆祝中国共产党成立90周年题材重点电视剧，由著名导演郑晓龙担任总导演；印小天、齐欢、赵春羊等实力派明星领衔主演。1947年夏秋,人民解放战争进入了战略反攻阶段,当年10月,根据中共中央上海局决定,在重庆建立了川东临委统一领导重庆及川东地区党的工作,临委把工作重心转移向农村,发动小规模游击战争,策应主战场军事斗争,由于敌我力量悬殊,斗争十分残酷年初至九月,川东地下党先后组织了三次武装起义,起义的第一枪首先在下川东的云阳,奉节,大宁,巫山一带打响……
科尔顿·多纳万（ColtonDonavan）生活在失控的边缘。无论是在轨道上还是在轨道之外，他想要的一切都在他指尖：成功、自愿的女性、媒体关注。除了Rylee。她是这个鲁莽的坏男孩似乎无法征服的例外。她的心脏正在康复。他的灵魂受到了伤害。他们都知道他们俩永远不会合作。但他没有道歉就闯入了她的生活，打乱了她的世界，考验了她的界限，揭开了她过去的黑暗。他们的化学反应是不可否认的。它们的吸引力是有磁性的。他们互相帮助治愈疾病的能力显而易见。即使他不让她进来，科尔顿也有一些她无法摆脱的东西。这是他们故事的开始。他们的战斗。他们完美不完美的爱情。
除此之外，徐阶中意的那位所谓的聪明人……实在是……实在是……大逆不道。
众人听了都笑起来。
诚实生活在这个时代的成年人世界，是由您不想忘记的纯正内心和男孩的眼睛所吸引。
同时遭遇失业失恋双重打击的沪漂女青年丁亦可， 为了夺回前男友，发动了一场看似绝无胜算爱情保卫战争。时尚情商为零的她，阴差阳错一脚踏入之前完全陌生的时尚行业，从此开启“买手” 新世界的大门。你以为会看到金手指大开的小白成长记？ sorry， 更多的是包含在虚假温情下的职场互撕。你以为会看到男神爱上小白花的老套言情桥段？ 对不起，现实中的感情归属，永远是接地气的得到与放弃。
再多活一秒，对花无缺而言，都是一种折磨、煎熬。
不客气。
It mainly refers to the news in the traditional fields of politics, economy, culture and military, and also includes the mobile Internet and O2O, which are subdivided into vertical fields and carry different products. This market is not large enough and the ceiling is relatively low, so many information and news platforms either do not do much or have to continuously expand their borders.
电影根据真实故事改编，是一部用社会时间刻度探索个体生命价值的艺术作品。当一个生命进入了倒计时，另一个生命即将诞生，生死之交这一刻，血脉里流淌着幸福……
俞作柏和李明瑞回桂主政。俞作柏向中共提出请求，派干部协助其工作。中共中央把大批干部派往广西。军委书记周恩来亲自向邓小平交代任务，派他为中共中央代表，前往广西主持工作，
[ON COMPLETION [NOT] PRESERVE]: optional; default is ON COMPLETION NOT PRESERVE, that is, the event will be dropped automatically after the execution of the planned task is completed; ON COMPLETION PRESERVE will not drop.
The order is:
EMT集团董事长逼迫自己的女儿艾米尔和隆科集团董事长之子何一坤订婚以达到 商业联姻的目地，艾米尔拒绝联姻离家出走去寻找失去联系的男友皮特。艾米尔离家出走后却阴差阳错地来到何开心家中做保姆，她在何开心的帮助下找到皮特，却得知父亲给了皮特一笔钱皮特才和她分手的，她心灰意冷同意联姻。却在订婚当天宣布要与何一坤订婚的人是他深爱的女人夏青青，何一坤和夏青青成功订婚，而艾米尔却因为任性被父亲赶出家门。艾米尔在何开心的鼓励下艰苦创业，成立了自己的服装公司，取得了成功，并在父亲和所有人得祝福下收获了和何开心的爱情[4] 。
