marginal parameter

例句：

1. 1. The company's profits are significantly affected by its marginal operations.
   该公司的利润受到其边缘业务的影响。
2. 2. The research suggests that the marginal effect of this policy is not significant.
   研究表明，这项政策的边缘效应并不显著。
3. 3.The marginal cost of production is increasing due to rising labor costs.
   由于劳动力成本上升，生产的边际成本正在增加。