—— 请按键盘 空白键 开始游戏 ——

The historian is both detective and storyteller.
A company without vision is like a ship without a compass.
Every decision we make in aquaculture today echoes in the health of our oceans tomorrow.
The Internet is the most important single development in the history of human communication since the invention of the printing press.
量子力学不仅是一种理论,而且是一种新的思维方式。