作为主动投资者获胜是罕见的，即使是那些持续获胜的少数人，区分运气与技能也很困难，而且市场观点和投资方法存在广泛差异...
主动投资者获胜概率极低，即便是少数持续获胜者也难以区分运气与技能，且市场观点与投资方法存在显著差异。
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