merit and demerit

基本解释

The review focused on the merit and demerit, developments prospect in the treatment of effluent.
着重介绍了各种方法的优缺点和进展。
This article analyses in more detail several important theories which decide the ex- change rate, pointing out that each has its merit and demerit.
本文对决定汇率的几种重要的理论进行了较为详细的分析，指出每种理论的优点和缺陷；
The power density and merit and demerit of ambient energy harvesters were discussed, and the relative advantages of the human energy harvesters compared with the ambient energy harvesters were listed.
讨论了环境能量集能器的功率密度及优缺点，并列出了人体能量集能器相对环境能量集能器的优势。

You will note that both of them insist that the students must know about merit and demerit goods.
FORBES: If Michael Sandel Wants To Change How Economics Is Taught, Shouldn't He Know How Economics Is Taught?
Never did either country have gold reserves to back all of the currency they issued, and to this reviewer that was a merit as opposed to a demerit.
FORBES: Keynes, White, And The Battle Of Bretton Woods