Leaders of seven African nations plus the chairman of the African Union, who met G8 leaders yesterday, pressed rich nations to monitor and enforce their commitments more effectively. 非洲7个国家的领导人和非洲联盟(africanunion)主席昨日与八国集团领导人会晤,向富裕国家施加压力,要求它们更有效地履行承诺并加以监控。