—— 请按键盘 空白键 开始游戏 ——

我对官方历史和个人记忆之间的空白感兴趣。
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
The cement industry must evolve or become obsolete.
预测粮食未来的最好方法就是去创造它。