—— 请按键盘 空白键 开始游戏 ——

The true value of a forest goes far beyond its timber.
History is not just a record of events; it is the soul of a people, their dreams and struggles.
深度学习是解决复杂问题的强大工具。
The truth is always something that is told, not something that is known.
Happiness is beneficial for the body, but it is grief that develops the powers of the mind.
气候的变化不是一朝一夕的原因,它的由来是逐渐的。
The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.