基本解释[经济学]次好论次优论次佳原理英汉例句双语例句It is the direct inference of the second-best theory of the modern incentive mechanism design theory.它是现代激励机制设计理论中的次优理论的直接推论。second-best theory更多例句专业释义经济学次好论次优论次佳原理