Observer mode: pay attention to encapsulating object notification, support the change of communication object, realize the change of object state, notify and update the objects that depend on it.
……ps：当初看《龙蛇演义》，真得被震撼住了。
周芷若还没有来得及回答，灭绝师太已经大喝道：芷若。
1. There are two options to manage the creation and destruction of state objects. The first is to create and then destroy state objects only when they are needed, and the other is to create all state objects from the beginning and never destroy them. If the state object is relatively large, the first method can be used to save memory, which can avoid creating some objects that will not be used and recycle them in time. However, if the state changes frequently, it is best to create all these state objects in the first place, and there is no need to destroy them, because they may be used again soon.
便大惊道：这是什么时候的事？小葱沉声道：今早起，就发现不见了。
该剧讲述的是一代少帅张学良传奇的一生以及他与赵四小姐轰轰烈烈的爱情故事。 一次舞会的邂逅，少帅张学良和赵四小姐一见钟情，面对真爱，他们不顾家庭的反对与舆论的攻击，赵四小姐以秘书的身份艰难地和张学良走到了一起。 “卢沟桥事变”后，少帅为挽救民族的危亡，逼蒋抗日，发动震惊中外的“西安事变”后蒋为雪耻，把张学良囚禁终生。赵四小姐陪伴少帅度过了孤独与无自由的一生。
红椒震惊，刘井儿欢喜，最后，两人相视而笑。
故事发生在中国的一个普通大城市里的一个普通小家庭里。在这个家庭里，爸爸高大点和妈妈经过八年的精心培养，终于让我们的主角高小点成长为一个个子不高长得不帅学习不好不坏的平凡小孩子。
(3) Every month we have to write down the work plan for the next month, which is divided into several weeks. Our work basically changes little when and what we do, so there is not much change every week, but there will be some other unforeseen jobs at any time, which cannot be reflected if written for one month at a time. In particular, the last time I wrote the work plan for the second half of the year, it was broken down into each month. Standing in the middle of the year and looking at the end of the year, I could only list the general plan. It really made me very upset.
The second: singleTop
《邪恶力量》（Supernatural）由美国WB电视台制作，讲述灵异超自然现象大多来自于美国的都市传说和民间传说。
人家项羽都不反对，你宋义还有什么可说的，楚怀王点头道：既如此，就厚葬上蔡吧。
古代花魁杜微被人追杀，无奈之下只能跳江求生，却意外穿到了现代美妆公司总裁肖诺的浴缸里……肖诺不仅拥有和杜微前世情人李生相似的长相，肖诺的未婚妻似乎也与前世陷害杜微的幕后黑手柳奇奇脱不了干系。为查明真相，杜微与肖诺意外开启了同居生活，暧昧气氛在一次次“预谋勾引”中逐渐升温，而更大阴谋正在浮出水面。
他对初雨妹妹可好了，傻子都能瞧得出来。
二人展开了一段颇为欢乐的旅行，彼此互生情愫。但横在二人面前的是智旭的未婚妻和定时炸弹般研在的病情……
还有蒲俊和苏角这两位将领的当机立断的判断力，与指挥作战的能力。
这部单镜头情景喜剧松散地改编自编剧Kenya Barris的个人生活经历。主人公是一个中上阶层的黑人（Anthony Anderson），他试图依靠自己保留的「文化特性」来抚育子女，但却在各方面遭遇障碍：开明大方的妻子（Tracee Ellis Ross），因循守旧的父亲，还有被时代「同化」的孩子们全都反对他。——天涯小筑
If two events need to be called at the same time, mysql determines the order in which they are called. If you want to specify the order, you need to ensure that one event executes at least 1 second after the other event.
徐老七轻轻咳嗽一声。
