联合国秘书长古特雷斯：不能指望增加官方发展援助，需要增加多边开发银行贷款。

Group 1 - The core message emphasizes the need for increased loans from multilateral development banks rather than relying on official development assistance [1] Group 2 - The statement suggests that the current levels of official development aid are insufficient to meet global development needs [1] - It highlights the importance of multilateral development banks in providing financial resources for development projects [1]