—— 请按键盘 空白键 开始游戏 ——

The best way to learn mathematics is to do mathematics.
Profitability and environmental stewardship can—and must—go hand in hand.
The most important thing is to be honest in your writing.
你不会忘记那个曾是你最后希望的人的面孔。
The most important thing I have learned is that the best way to get something done is to begin.