efficiency of economic operations

例句：

1. 1. The new machine has greatly improved the efficiency of our production line.
   新机器大大提高了我们的生产线的效率。
2. 2. The manager's decision to increase efficiency in the office will have a positive impact on everyone's work.
   经理决定在办公室提高效率，将对每个人的工作产生积极影响。
3. 3.The company's focus on efficiency has led to significant cost savings.
   公司关注效率，导致显著的成本节约。