—— 请按键盘 空白键 开始游戏 ——

学习的意愿是一种内在动机,其来源和奖励都在于其自身的实践。
"I don't just want to be good. I want to be the best."
Success is not final, failure is not fatal: it is the courage to continue that counts.
The best conservation strategies are those that align economic incentives with ecological benefits.
Oh, I’m so glad you’ve come. There are hundred things I want not to say to you.