—— 请按键盘 空白键 开始游戏 ——

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
We need to find ways to make energy storage more efficient and sustainable.
数学不是一项观赏性运动。你必须参与其中。
"I love the competition. I love the fight."
Sustainability isn’t a trend; it’s our responsibility to the next generation.