原标题：俄国防部：苏-34战机使用滑翔炸弹摧毁了乌军在库尔斯克边境地区的军事装备和人员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.
