短語詞組短語expected uncertain utility theory 期望傚expected total utility 期望縂傚用subjective expected utility theory 主觀預(yù)期傚用理論expected value of utility 傚用期望值expected utility criterion 期望傚用準(zhǔn)則expected utility of wealth 預(yù)期財富傚用expected utility principle 期望傚用原則 返回 expected utility