—— 请按键盘 空白键 开始游戏 ——

Sustainable development is not an option, but a necessity for the coal sector.
A company's true value is measured by its impact on people and the planet.
理解记忆的机制不仅可以帮助我们回忆过去,还可以塑造我们未来的行动和决策。
The Fed put out the fire, but the house still needs rebuilding.