社会影响债券被认为比传统的外包和公私合资的方案更有优势。
The social -impact bond is said to have two advantages over traditional outsourcing and public-private-finance programmes.
社会影响债券被认为比传统的外包和公私合资的方案更有优势。
The social -impact bond is said to have two advantages over traditional outsourcing and public-private-finance programmes.
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