n. the ratio of the output to the input of any system
n. skillfulness in avoiding wasted time and effort
n. 效率, 效能, 功效
[医] 效率, 效力
1. The new software improved the efficiency of our team.
新软件提高了我们团队的工作效率。
2. To save time, we need to focus on efficiency in our projects.
为了节省时间，我们需要在项目中注重效率。
3. High efficiency in energy use can reduce costs.
能源使用的高效率可以降低费用。