—— 请按键盘 空白键 开始游戏 ——

质量不是一种行为,而是一种习惯。
可持续性不仅仅是植树;而是在正确的地方种植正确的树木,并确保它们世代繁茂。
Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life.
Adaptability is the new competitive advantage in global mining.