—— 请按键盘 空白键 开始游戏 ——

The human being is essentially self-determining; he becomes what he wills himself to be.
The concept of topological protection in electronic systems is a profound insight that bridges abstract mathematics and practical physics.
软饮料行业必须超越糖分发展。注重健康的消费者正在推动未来。
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.