The writer is former uk prime minister and convener of the high-level panel for the global campaign for education
本文作者为英国前首相，目前担任“全球教育运动”高级委员会会议召集人
As washington steps back from the role of global policeman , us foreign policy is looking to its role as a convener of regional alliances and ad hoc coalitions of the willing .
But when the transport convener called for a report on cycling to be delayed by " two cycles " there were guffaws all round .
但当运输召集人报告，一个骑自行车将会被两个自行车耽搁时，人们捧腹大笑。
He should be the convener of governors , mayors , university presidents , ceos , healthcare providers and scientists to clear the obstacles from investment programmes in energy , education , infrastructure , health and skills .
But a world in which the us abandons the role of convener and guarantor of international order in favour of that of selective superpower will transfer to allies and potential rivals alike responsibilities that they are reluctant to shoulder .
