例句
I was surprised by the effectiveness of this cleaner.
這種清潔劑的效果讓我很驚訝。
Researchers should evaluate the effectiveness of educational programmes before recommending their adoption across the national school system.
研究人員應先評估教育項目的成效，再建議在全國學校系統中推廣。
常用搭配
- evaluate effectiveness｜評估有效性
- improve effectiveness｜提高成效
- demonstrate effectiveness｜證明有效性
- cost effectiveness｜成本效益
詞形與相關詞
effective (adj.) · effectively (adv.) · ineffective (adj.) · effect (n.)
用法提示
effectiveness重效果；efficiency重時間與資源效率。