certainty: n.确实(性);确定性;确实[定]的事,必然的事;确信,肯定。 the certainty of death 死的必然性。 bet on a certainty十拿九稳地赌。 a dead certainty (竞赛时)必胜的马;十拿九稳,势所必然。 for [to, of ] a certainty 的确,显然;毫无疑问。 moral certainty 靠得住,定准,一
Deducing the pricing formula of executive stock option ( eso ) which is different from black - scholes model in a new method called " certainty equivalence " 因此我们用“确定性等值”方法推导出不同于black - scholes模型的股票期权价值的定价公式。