—— 请按键盘 空白键 开始游戏 ——

真正的发现者不是第一个偶然发现某物的人,而是发现其意义的人。
The leather industry has a rich history, but its future depends on innovation and ethical practices.
When I write songs, I often cry.
自然实验可以为经济问题提供有价值的见解。
The energy transition is not just about switching fuels; it's about transforming entire systems and mindsets.