—— 请按键盘 空白键 开始游戏 ——

Don't walk behind me; I may not lead. Don't walk in front of me; I may not follow. Just walk beside me and be my friend.
In the face of climate change, the oil and gas industry must evolve or risk becoming obsolete.
I think it's rarely about what you actually learn in class—it's mostly about what questions you ask yourself.
对称性是降低复杂性的概念(协同例程包括子例程);到处寻找它。