The policy pattern defines a series of algorithms and encapsulates each algorithm so that they can be replaced with each other, and the changes in the algorithms will not affect the customers who use the algorithms. It is necessary to design an interface to provide a unified method for a series of implementation classes. Multiple implementation classes implement the interface, design an abstract class (optional, belonging to auxiliary class), and provide auxiliary functions. The diagram is as follows:
何心隐拂袖前来，满脸亢奋之色，几乎一个字都不用聊，他就可以确定这一定是自己要找的人。
板栗见她看着自己异样的神情，却多心了，脸色飞红。
From this case, we can sum up the value of recommended content. First, we can meet users' content consumption needs and make it easier for users to see the best quality and most typical content. This is consistent with the root cause of making content products, but there are four other functions:
“能交很多朋友吗？”
辛苦。
At 4 a.m. the next day, Daguan wanted to end up with everyone and one person was missing.
Memory shutdown!
Netflix接盘后的《路西法》（Lucifer）新一季即该剧第4季日前正式开机，拍摄工作预计持续到12月份，本剧有望2019年回归。
阿莱格拉梦想成为11点钟音乐剧公司的一员，并成为《奇异的星期五》的明星，这部剧多年前曾使她的祖母成圣。Cocó祖母是音乐喜剧界一位在世的传奇人物，她与阿莱格拉的母亲、女儿卡特琳娜有着复杂的关系。当阿莱格拉在家中发现一个神秘的手镯时，她的生活完全改变了。手镯把她带回了1994年，也就是卡特琳娜像她这么大的那一年，她在11点的时候在明星科科的阴影下迈出了第一步。在他事业的巅峰。通过了解母亲和祖母的过去，阿莱格拉不仅有助于愈合创伤，让家人团聚，而且她还将发现，尽管过去无法改变，但仍有很多东西需要从中学习。
In order to ensure the suspense of the competition,
4. Any subsequent change of orientation between the two ships shall not treat the overtaking ship as a cross-crossing ship within the meaning of the provisions of these Rules, or exempt it from its responsibility to get out of the overtaking ship until it finally passes through the clearing.
He mobilized the New York Times to rescue Hu Shi from prison, which is rarely mentioned in domestic historical works. When Hu Shi was the principal of China Public School, he was finally arrested for offending the national government by repeating three important articles in New Moon. As news came that he would be shot, Aban was furious and mobilized the Times headquarters to publish a long editorial condemning the atrocities committed by the national government. He quickly translated the editorial into Chinese and Japanese, spending a lot of money, and sent the editorial to all Chinese, Japanese and English newspapers and magazines in the Far East by telegram for reprinting, forming a trend of overwhelming condemnation, finally forcing the national government to withdraw the butcher's knife and release Hu Shi.
Beijing
A program based on policy mode consists of at least two parts. The first part is a set of policy classes, which encapsulate specific algorithms and are responsible for specific calculation processes. The second part is the environment class Context, which receives the client's request and then delegates the request to a policy class. We first use traditional object-oriented to implement it.
为免涉足江湖恩怨情仇，玉云龙 （萧正楠饰） 与姐玉娇凤（简慕华饰）安份守己经营客栈生意，谁料云龙为重夺旧爱艾冰冰（汤洛雯饰）芳心毅然参加新晋英雄大赛，因而牵涉揭发东厂黑幕，被东厂的仇不群（黄智贤饰）收入监牢，娇凤救弟心切，暗中放风指客栈有隐世宝物，不群不单立即释放云龙，更派出左右手仇在心（陈凯琳饰）跟随云龙到客栈收取情报，此事亦引来各路隐世英雄一一涌现，各施奇谋，期间令一直寻找杀害双亲的在心发现真相，倒戈相向对付不群之余，更与云龙产生感情，决心一同改革武林，令本已奄奄一息的武林再现生气，但二人却陷入本是慈悲老人任我飞（姜大卫饰）筹谋已久的复仇大计……
晚清同治年间，康家主人周若兰以河洛镇康家店起家，几经曲折，终于使康家店成为河洛一带赫赫有名的行旅客栈。及至幼子康悔文长大成人，其秉承“留余”古训，由农而商，以商养农，商农一体，最终形成了“头枕泾阳西安，脚踏临沂济南；马跑千里不吃别家草，人行千里尽是康家田”的盛世伟业。当是此际，外族入侵，国运颓败，中华大地风雨如晦，黄河泛滥，致使中原赤地千里，康家为解黎民倒悬之苦，不惜倾家荡产，散财百万，疏浚河运，救助灾民。为了给中华民族寻找出路，康家后人更是毅然远赴重洋，为多难中华寻找济世良方……
Move
板栗怎么跟爹娘来王家了呢？这要从黄豆几个回王府开始说起。
拥有美食天赋的打工女王小夏带着年幼的侄子阳光相依为命。一次意外，由于房产中介陈皓杰的失误小夏被二房东欺骗落得无家可归，走投无路之际小夏只好跟着皓杰回家暂住，才得知陈家是远近驰名的小吃名店。阴差阳错中小夏被误认为是皓杰的女朋友，层出不穷的破绽引起了陈家二子皓峰的怀疑，陈父和堂弟立扬则对小夏颇有好感，不久小夏身份被揭穿，非但没有被赶出陈家，反而还被陈父钦定为厨艺接班人。性格迥异的皓峰和小夏却始终势如水火，矛盾重重，几近波折后，两个欢喜冤家越走越近，不料被皓峰前女友小卉从中作梗，制造了一个又一个的误会，而立扬的生母王曼丽失踪多年后突然出现并为了夺得陈家财产使尽诡计。在小夏的坚持和感召下，陈家上下终于排除万难转危为安，小夏和皓峰最终也有情人终成眷属。
