经济学

• 有用性

  It has been almost 40 years to conduct research on accounting earnings and its usefulness.

  会计盈余以及会计盈余有用性的研究已经历经了近40年的风风雨雨。

法学

• 有效性

  Usefulness is the core concept of effective government, including three characteristics: validity, efficiency and effectiveness.

  有效性是有效政府的核心概念,具体而言包括制度的合法性、运行的高效性和结果的有效性三大特征。

历史学

• 效用