Premier Li Qiang has called for solidarity and cooperation among the Group of 20 economies to tackle global challenges, and urged efforts to firmly uphold free trade and build an open world economy amid a sluggish economic recovery. 中國國務院總理李強呼籲二十國集團（G20）成員加強團結合作，共同應對全球性挑戰，並在經濟復蘇乏力的背景下堅定維護自由貿易，推動建設開放型世界經濟。 Li made the remarks while addressing the 20th G20 Summit, which was held in Johannesburg, South Africa, on Saturday and Sunday. 他在上週六週日於南非約翰內斯堡舉行的二十國集團第20次峰會上發表上述講話。 Cyril Ramaphosa, president of South Africa, which holds the rotating presidency of G20, chaired the summit. It is the first time that the group of economies, comprising 19 countries as well as the European Union and the African Union, held its summit on African soil. 作為本屆二十國集團輪值主席國，南非總統西里爾·拉馬福薩主持了峰會。這也是包括19個國家以及歐盟和非盟在內的二十國集團第一次在非洲大陸舉行峰會。 Th...