边际效用

当作者通过易经占卜在预测市场获得75%胜率后，赚钱变成了一种确定性的机械重复。这种边际效用的暴跌，促使他主动放弃“刷金币”，转而去追求更宏大、无法被简单结算的大愿。

After the author achieved a 75% win rate in market forecasting through I Ching divination, profit generation devolved into a deterministic, mechanical repetition. The precipitous collapse in marginal utility compelled him to abandon the mere accumulation of capital and instead pursue a grander aspiration—one that defies simple quantification and settlement.