—— 请按键盘 空白键 开始游戏 ——

每一个数学问题都是一个等待解决的谜题,每一个解答都是向理解现实结构迈进的一步。
"The future belongs to those who dare to dream and have the courage to pursue those dreams."
In darkness, we learn to seek light; in despair, we learn to seek hope.
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact, “I have a rule for X” is the only excuse you need for your own personal policies.
企业的核心竞争力不在于拥有多少资源,而在于如何高效利用这些资源。
煤炭行业的未来在于智能化和数字化转型。