This day, 21 August, in 2014, President Xi Jinping and Mongolian President Elbegdorj Tsakhia signed the “Joint Declaration on the Establishment & Development of a Comprehensive Strategic Partnership between the People’s Republic of China and Mongolia” in Ulaanbaatar.
2014年8月21日的这一天，习近平主席和蒙古总统Elbegdorj Tsakhia在乌兰巴托签署了《中华人民共和国和蒙古建立和发展全面战略伙伴关系的联合声明》。