短語詞組短語expectation -value theory 價值理論expectation loss value 期望損失值expectation loss value dominated 期望損失值被支配expectation E value 望值expectation U value 望值expectation weight value 期望權值expectation prediction value 期望預測價值objective expectation numerical value 目標期望值expectation value of forest [林]森林期望價 返回 expectation value