The Context class is a context class, and Plus and Minus are implementations for calculation respectively. The code is as follows:
"Piglet saw the wolf's plot and set up a big pot on the stove rack. The pot was filled with water and there was a flourishing fire below. When the wolf slipped down the chimney, the pig uncovered the lid and the wolf plunged into the big pot. The pig quickly covered the pot and cooked the wolf for dinner."
横跨阴阳两界，完我前世今生！漂亮、聪明的女鬼聂小倩奉鬼姥之命去勾引才貌双全的书生宁采臣，不料两人却暗生情愫、互相倾慕；而宁采臣偶然得知聂小倩就是自己傻媳妇良工的前世时，更下定决心为小倩报仇，帮她摆脱鬼姥，还阳人世。侠士燕赤霞秉师命去济南找知府王化成报仇，并从王府寻回自己心中的爱人宦娘，而宦娘却对宁采臣同窗吕子凯情有独钟。阴险狡诈的吕子凯为扫除自己仕途上的障碍，与王知府、鬼姥共谋害宁采臣、燕赤霞……
怎么办？陈启摸了摸下巴，不知道想到了什么，突然不禁一笑。
AI-CPS OS is a digital and intelligent innovation platform. The design idea is to seamlessly integrate big data, Internet of Things, block chain and artificial intelligence into the cloud, which can help enterprises integrate innovation achievements into their own business systems and realize the advantages and synergy of various cutting-edge technologies in the cloud. The digitalization + intelligence force formed by AI-CPS OS intersects with the three levels of industry, enterprise and individual to form a leadership model, which integrates digitalization into the core position of the enterprise and leadership style where the leader is located:
板栗比她高一个头，见她有悄悄话要说的样子，遂侧身低头凑近她。
[Report] Look at the picture and don't explain
Mary并没有死掉，尽管她掉进了末日世界。“Dean非常肯定妈妈死了。”Singer预告说，“尽管Dean经历着丧母之痛，但是他准备接受这一切。”但是Sam“依然坚信妈妈还活着。两兄弟之间产生了矛盾，”因为有很多问题摆在他们面前，只是他们对哪个问题应优先解决有不同的看法。
Article 31 Seaplanes
Ignoring the cost of icebergs will have one consequence-taking advantage of small gains and eating big losses.
给四个丫头分别取名为柳叶、荷叶、桑叶、枫叶。
陈老爷伤心地抹着眼泪道：是我。
Article 33 Sound signal equipment
This game has milk. Even if I overflow 1 million damage, I will drop the key characters on the opposite side in seconds, forming a situation of 5 dozen 4, instead of an AOE hitting down and making the opposite side full of holy milk.
4. There is a overtime phenomenon in the business (the occurrence rate is also very high, but the customer has used it too much)
经过尹旭的调教，蒲俊的指点，还有这许多事情的磨练苏岸成熟了许多。
Fill in a specialist volunteer
她瞄了一眼二孙子黄瓜，心里十分难受：大孙子葫芦虽然早早定亲了，可人去了边关不说，连孙媳妇也跑没影了。
葫芦也不悦道：牛儿，我们兄弟刚才不过一人辩解了一句，也没骂你奶奶。
在阴谋交错的国际大都市“上海”，历史上所不为人知的大战序曲，现正上演——
