And some are quite structural, like social impact bonds where you raise money to invest in diverting teenagers from crime or helping old people keep out of hospital, and you get paid back according to how successful your projects are.
还有一些是非常结构性的， 像社会影响债券 你筹钱投资让年轻人远离犯罪 或者帮助老年人远离医院， 根据你的项目有多成功，你来收取回报