efficacy
含义: The ability of something, especially a drug, treatment, or policy, to produce the intended or desired result under ideal conditions.
Efficacy is a key term in medicine, pharmacology, and policy analysis. In clinical trials, efficacy refers to how well a treatment works under controlled conditions, as distinct from 'effectiveness' (how well it works in the real world) and 'efficiency' (how well it works relative to cost). In broader usage, one questions the efficacy of sanctions, educational interventions, or management strategies. The adjective 'efficacious' exists but is less common than 'effective.'
例句
- The clinical trial demonstrated the efficacy of the vaccine in preventing severe illness among over-65s. 临床试验证明了该疫苗在预防65岁以上人群重症方面的有效性。El ensayo clínico demostró la eficacia de la vacuna para prevenir enfermedades graves entre los mayores de 65 años.臨床試験により、65歳以上の重症予防におけるワクチンの有効性が実証された。임상시험을 통해 65세 이상 고령자의 중증 질환 예방에 대한 백신의 효능이 입증되었다.
- Questions have been raised about the efficacy of standardised testing as a measure of genuine educational attainment. 标准化考试作为衡量真正教育成就的手段,其有效性受到了质疑。Se han planteado dudas sobre la eficacia de las pruebas estandarizadas como medida del verdadero rendimiento educativo.標準化テストが真の教育的到達度を測る尺度としての有効性について疑問が提起されている。표준화된 시험이 진정한 교육적 성취도를 측정하는 척도로서의 효능에 대해 의문이 제기되고 있다.
- The efficacy of economic sanctions as a tool of foreign policy remains a subject of considerable academic debate. 经济制裁作为外交政策工具的有效性仍然是学术界广泛讨论的议题。La eficacia de las sanciones económicas como instrumento de política exterior sigue siendo objeto de un considerable debate académico.外交政策の手段としての経済制裁の有効性は、学術界で依然として大きな議論の対象である。외교 정책 수단으로서의 경제 제재의 효능은 학계에서 여전히 상당한 논쟁의 대상으로 남아 있다.
发音
用法指南
语境: medical, academic, professional
语气: analytical
起源与历史
From Latin efficacia (effectiveness, efficiency), from efficax (effective, powerful), from efficere (to accomplish), from ex- (out) + facere (to do, make). Entered English in the 16th century.
文化背景
Era: Modern
Generation: All ages
Social background: Universal
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