—— 请按键盘 空白键 开始游戏 ——

我们必须倾听客户的声音,他们是我们存在的理由。
The world is all the richer for having a devil in it, so long as we keep our foot upon his neck.
儿童书籍应该既是一面镜子,也是一扇窗户。
Science is not about being the first; it's about being patient and persistent.