substitution rate

例句：

1. 1. The company's profitability is directly related to its ability to substitute for imported goods.
   该公司的盈利能力与其替代进口商品的能力直接相关。
2. 2. The new policy will significantly increase the substitution rate of renewable energy sources.
   新政策将显著提高可再生能源的替代率。
3. 3. In agriculture, the substitution rate of fertilizers can affect crop yields and soil health.
   在农业中，肥料的替代率会影响作物产量和土壤健康。