translation.en: Now, the social impact bond is simply saying, if we can get the government to agree, that we can create a contract where they only pay if it worked.
translation.zh: 简而言之，“社会效益债券”是指， 如果我们使得政府相信 我们可以制订一份合同，说明 只有项目取得成效时政府才需要支付费用，