—— 请按键盘 空白键 开始游戏 ——

The elegance of a mathematical proof is in its simplicity and clarity.
Everything you want is on the other side of fear.
The future of energy lies in the balance between traditional and renewable sources.
Don’t be afraid to fail in the kitchen; that’s where the best lessons are learned.
未来出行的关键不是销售更多的汽车,而是提供更好的出行解决方案。
I'm not a feminist. I hail men, I love men. I celebrate American male culture, and beer, and bars and muscle cars... But what I really believe in is women.
Survival can be summed up in three words – never give up. That’s the heart of it really. Just keep trying.
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."