—— 请按键盘 空白键 开始游戏 ——

采矿业有能力改变社区,但前提是我们必须负责任地去做。
预测未来的最好方法就是创造未来。
过去是一位老师,如果我们愿意学习的话。
In software development, we must always be mindful of the trade-offs between performance, complexity, and maintainability.
The development of attention in childhood is a foundation for self-regulation and academic achievement.