social impact bond

A social impact bond was used to fund reoffending reduction programmes with payments linked to outcomes.社会影响力债券被用于资助减少累犯的项目，其回报与实际效果挂钩。

Social impact bonds attract private investment for public services by tying returns to measurable results.社会影响力债券通过将回报与可衡量的结果挂钩，为公共服务吸引私人投资。