indirect input

例句：

1. 1. The company uses indirect input to improve its efficiency.
   该公司使用间接输入来提高其效率。
2. 2. Indirect input is an important factor in the development of a new product.
   间接输入是新产品发展的一个重要因素。
3. 3. The research team collected indirect input from various sources.
   研究团队从各种来源收集了间接输入。