—— 请按键盘 空白键 开始游戏 ——

In times of crisis, true leadership is measured by actions, not words.
To love someone is to see them as they truly are, and still, to care for them.
启发式研究揭示了我们如何简化复杂问题,有时会导致错误。
仅靠政策无法拯救我们的森林——需要个人、企业和政府采取行动。
The best time to plant a tree was 20 years ago. The second best time is now.
The human body is a complex puzzle, and viruses are just one piece of it.
百姓如果没有粮食,就不能供君王役使。所以,粮食不可不努力耕种,用度不可不厉行节俭。