系统辨识的挑战不仅在于拟合数据，还在于提取有意义且可推广的模型。
黄峥提出拼多多结合低价优质（Costco）与娱乐化购物体验（Disney）的愿景
沉默可以比言语更响亮，如果你懂得如何倾听。
Swim upstream. Go the other way. Ignore the conventional wisdom. If everybody else is doing it one way, there's a good chance you can find your niche by going in exactly the opposite direction.