improvement expense

例句：

1. 1. The company has made significant improvements in its product quality.
   该公司在产品品质上取得了显著的改进。
2. 2. The investment in new technology is a necessary expense for the company's growth.
   对新技术的投资是公司增长的必要开支。
3. 3. The cost of improving the efficiency of production processes is an important factor to consider.
   提高生产流程效率的成本是一个需要考虑的重要因素。