Warning: file_put_contents(): Only 0 of 5148 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 expected utility英英字典_expected utility剑桥英语解释_expected utility柯林斯英文解释_伍贰汉英词典
1. N the weighted average utility of the possible outcomes of a probabilistic situation; the sum or integral of the product of the probability distribution and the utility function 期望傚用[statistics]