efficiency of management

例句：

1. 1. The new machine has greatly improved the efficiency of our production process.
   新机器大大提高了我们的生产效率。
2. 2. The manager's decision to cut back on expenses has increased the company's overall efficiency.
   经理决定减少开支，提高了公司的综合效率。
3. 3.The engineer's design was a significant improvement in the efficiency of the project.
   工程师的设计是项目效率提高的一个重大改进。