—— 请按键盘 空白键 开始游戏 ——

有两种类型的公司,一种是为提高价格而工作的公司,一种是为降低价格而工作的公司,我们将成为第二种。 
Mathematics is the language with which God has written the universe.
"The poem is not a closed field, but an open one, and the reader is invited to enter."