use ratio

例句：

1. 1. The company's use of energy is increasing due to the rise in demand.
   由于需求的增加，该公司的能源使用量正在增加。
2. 2. The new product has a high usage ratio, which means it can be used more efficiently.
   新产品具有高利用率，这意味着它可以更有效地使用。
3. 3.To improve efficiency, the factory needs to reduce the use ratio of raw materials.
   为了提高效率，工厂需要减少原材料的使用比例。