4. After clicking Help, enter to view the keyboard control keys.
忽然赵锋李敬文来凑热闹，嚷着要两人请客。
棋盘里，车无轮马无缰，叫声将军提防提防。
秦湖把众人叫到大堂外，低声分派道：咱们分几路。
I'm telling you
田荣默默念道：士卒，兵器，粮草……想到这，田荣长长呼了口气，喊道：来人，请范先生来。
Football is called "the world's first sport". Football games were once popular in ancient Greece, Rome and China.
张槐忽然道：要是告状的人真是玉米当然好。
He who gives up time, time also gives up him. -Shakespeare
10. Heavy manual labor can be refused.
For example: Crataegi folium cum flore, flowers and leaves of hawthorn
靖轩冷漠地回绝，『可我不喜欢你！』
十几年后，第二次世界大战的战火更加猛烈地燃烧着整个世界。动乱局势中，本杰明·巴顿和许多美国人一样，乘坐船从美国来到英国为反法西斯战争做出贡献。
于是正门大开，抽掉门槛，将人车迎进二门内院
内部之间还互相提防和敌视，彼此之间不给对方使绊子已经不错了。
真爱也许在我们心中不再永恒，但是我们相信这样的爱情存在于天堂……
Http://tech.huanqiu.com/cloud/2014-12/5288347.html
郑氏在身后叫道：莫要回头，往前看。
这是一档立足于传统京剧艺术，由当下流量青春偶像及人气搞笑艺人参与的网感十足的京剧互动体验综艺节目，节目以京剧相关的热门IP进行每集的概念包装及内容延展，融合脑洞十足的京剧知识互动体验形式，展开国粹京剧的多面性和趣味性，并混搭国潮营销出位，寓教于乐的向年轻用户推广传统文化，弘扬京剧国粹。
I follow the execution process of this small program: first, take exp and "\ +" as parameters, call the calculation (String, String) method in the AbstractCalculator class, call split () of the same kind in the calculation (String, String), then call the calculation (int, int) method, enter the subclass from this method, after executing return num1 + num2, return the value to the AbstractCalculator class, assign it to the result, and print it out. It just verified our initial thinking.
