inefficacy
US /ɪnˈef.ə.kə.si/
UK /ɪnˈef.ə.kə.si/
名詞
1.
無效
the failure, especially of a medicine or a method of achieving something, to produce the intended result:
範例:
•
These statistics show the inefficacy of the current system with regard to reducing crime.
在 Lingoland 學習這個單詞