The actuarial profit or mathematical expectation of gain calculated in accordance with the existing probabilities-if it can be so calculated, which is doubtful-must be sufficient to compensate for the risk of disappointment.

根据现有概率计算的精算利润或收益的数学预期——如果可以这样计算，这是值得怀疑的——必须足以补偿失望的风险。