fringe effect

例句：

1. 1. The new policy has a fringe effect on the economy.
   新政策对经济产生了边缘效应。
2. 2. The research found that the fringe effect of social media on mental health is significant.
   研究发现社交媒体对心理健康的边缘效应是显著的。
3. 3.The company's decision to expand into a new market had a fringe effect on its profits.
   公司决定进入一个新市场，这对它的利润产生了边缘效应。