Recent medical studies confirm the efficacy of a healthier lifestyle.
近来的医学研究证实了更健康的生活方式的功效。
《柯林斯英汉双解大词典》
2
Ciliv is selling the efficacy of so-called build-operate-transfer (BOT) operations.
瑟利夫正在大力宣扬被称之为“建设—经营—移交”（BOT) 模式的效力。
3
Firms are now studying how genes interact, looking for correlations that might be used to determine the causes of disease or predict a drug's efficacy.