创新不仅仅是技术的问题;它关乎我们思维和运营方式的改变。
The past is always there, and it's always different every time you look at it.
The world is full of signs and wonders, but we are blind to them.
美国没有永恒的敌人,也没有永恒的朋友,只有永恒的利益。
逻辑学研究不仅仅是关于正确推理,而是关于思想的解放。