国际关系没有永远的朋友或敌人,只有永远的利益。
The market is a complex system, and we try to simplify it with models.
算法的美不在于它们的复杂性,而在于它们高效解决问题的能力。
If you can see, look. If you can look, observe.
Cognition refers to all processes by which the sensory input is transformed, reduced, elaborated, stored, recovered, and used.