fixed effectiveness approach

例句：

1. 1. The company's fixed effectiveness approach has proven to be highly effective in improving customer satisfaction.
   该公司的固定有效性方法在提高客户满意度方面已经证明是非常有效的。
2. 2. The new policy implemented by the government aims to improve the efficiency of the public sector through a fixed effectiveness approach.
   政府实施的新政策旨在通过一种固定有效性方法来提高公共部门的效率。
3. 3. The research team used a fixed effectiveness approach to analyze the data and identify patterns.
   研究团队使用一种固定有效性方法来分析数据并识别模式。