11月18日至19日，二十国集团(G20)领导人第十九次峰会在巴西里约热内卢举行。中国人民大学国际关系学院教授、国际发展研究所所长崔守军近日在做客“东西问·中外对话”时指出，在地缘政治冲突持续和全球经济不确定性增加的当下，二十国集团有望发挥多重积极作用，为不稳定的世界注入更多稳定性。

　　The 19th Group of Twenty (G20) Summit was held in Rio de Janeiro Brazil from Monday to Tuesday. In the face of geopolitical conflicts and economic uncertainties, the G20 Summit is expected to exert positive impacts and inject more stability into an unstable world, said Cui Shoujun, Professor and Director of the Institute of International Development Studies at the School of International Studies, Renmin University of China (RUC), in the W.E. Talk with China News Network.