—— 请按键盘 空白键 开始游戏 ——

"The past is a country we can never return to, but whose borders we are always crossing."
A mathematical proof is a poem written in the language of logic.
The only way to get to the top is to climb the mountain, not to wait for the elevator.
Green and low-carbon development is not a multiple-choice question, but a must-answer question.
I'm not a businessman; I'm a business, man.
京东的价值观就是客户为先。