inefficacy的用法和樣例：
例句
用作名詞 (n.)
- However, this can also be due to the inefficacy of the drug and at this time we may wish to change the treatment to prevent disease progression.
但是，這也可以因藥物無(wú)效所致，那么此時(shí)我們可能希望改變治療方案從而防止這種無(wú)反應進(jìn)展。
經(jīng)典引文
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The usual inefficacy of the lamps, which..shed but a dying glimmer even while they burned.
出自： R. L. Stevenson
