key operation

例句：

1. 1. The keyoperation in this project is to ensure timely delivery of the materials.
   这个项目的关键操作是确保及时交付材料。
2. 2. Thecompany's key operationis to provide high-qualityproducts at competitive prices.
   公司的核心竞争力在于提供高质量且价格有竞争力的产品。
3. 3. Thekey operation for the company is to maintaina strong balance between innovation and efficiency.
   公司的核心操作是保持创新与效率之间的平衡。