The main purpose is to save a state of an object, In order to restore the object at an appropriate time, I think it is more vivid to call the backup mode. Generally speaking, assuming that there are various attributes in the original class A and A, A can decide the attributes to be backed up, memo class B is used to store some internal states of A, and class C is used to store memos and can only store, not modify and other operations. Make a picture to analyze it:
Game character:
Storage XSS:
青麦坐在车辕上，疑惑地看着两个身影消失在雪林深处，不知王爷去墓地干啥，难道要去拜访死人？很快，板栗来到张家老宅旧址，如今是那些雇工的墓地。
少根筋又仗义直言的女医师，从一开始和器护人员从不打不相识，一起经历各种突发状况、互相救援，到建立革命情戚与十足的默契与信任，甚至经历台风断桥灾虽，众人不顾自身安全在风两中急救。女医师终于被这块温暖士地上的人们·唤回自己遗失许久的初心。
根据汉代史学家司马迁撰写的史记改编，将里面著名故事如战国四大公子等用动画表现出来，使其更加生动易懂。
The summoners and his team who finally defeated the BOSS of Annihilation Eye hiding in the sandstorm center were the winners!
由于命运的脱轨，她穿越时空而来，使得前世与今生意外重叠。
传闻上古奇书《异物志》的记载中有一百年巨蟒名唤山神，头顶长有七星璀璨珠，食之可生根。消息传到当朝宦官刘靖耳中，为弥补自身的残缺私欲，刘靖命其义子前去寻觅此物，一场血雨腥风的人蛇大战就此拉开序幕。
However, ...
一辆悍马吉普车从隐秘的所在疾驶而出……突然发生了爆炸……
杨长帆见水壶还冒着气儿，直接自行取了。
众人都心知肚明，告辞退出去。
For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.
至于侠客文化那边，陈启从来就没有在意过。
Eliza Scarlet与苏格兰场督察联手解决了19世纪伦敦的犯罪问题。在这个男人的世界中，她需要一个伴侣。苏格兰场的侦探督察William Wellington，也被称为“The Duke”：酒鬼，赌徒和花花公子。Eliza和Duke将联手解决1880伦敦最黑暗的犯罪。
This may not be easy to understand. Let's change the angle that is easy to understand and start from the beginning.
