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。
Cognition refers to all processes by which the sensory input is transformed, reduced, elaborated, stored, recovered, and used.