marginal return

例句：

1. 1. The company's decision to invest in new technology was a marginal return on its investment.
   该公司投资新技术的决定是对其投资的边际回报。
2. 2.The marginal return on this investment is expected to be significant.
   预计这项投资的边际回报将非常显著。
3. 3. The marginal return of the new product is likely to be higher than the existing one.
   新产品的边际收益很可能高于现有产品。