—— 请按键盘 空白键 开始游戏 ——

You don't have to be a mathematician to have a feel for numbers.
每一寸山河都像黄金般珍贵,国家分裂的痛苦谁能承受?杜鹃啼血表达对国家的忧虑,精卫填海象征永不放弃的爱国之心。
今天对自由民主最严重的威胁不是来自外部,而是来自内部。
Humor is a powerful tool in children's books; it can make serious topics accessible.