—— 请按键盘 空白键 开始游戏 ——

Quantum mechanics is not just a theory about the world, it is a description of the world at its most fundamental level.
记忆是我们以为已经忘记的东西;它是我们已经忘记自己忘记了的东西。
Investing in lower-emission technologies is not only good for the planet but also makes sound business sense.