为了增加它们的影响，当私营部门投资较少时，多边开发银行和开发融资机构需要将更高比例的资金投入到那些处于筹备和建设阶段的基础设施项目上。
To increase their impact, MDBs and DFIs need to direct far more capital toward infrastructure projects in the preparation and construction stages, when the private sector invests less.