Efficient market theory is correct in that there are no gross inefficiencies, but we look at anomalies that may be small in size and brief in time.
证明是一种让自己和他人相信某事为真的方式。
世界上到处都是会告诉你你不能做什么的人。你必须做的是找到那些会告诉你你能做什么的人。