摘要 : Since its establishment in 1945,the United Nations(UN)has remained committed to maintaining international peace and security,protecting human rights,delivering humanitarian aid,promoting sustainable development,and upholding inter... 展开 Since its establishment in 1945,the United Nations(UN)has remained committed to maintaining international peace and security,protecting human rights,delivering humanitarian aid,promoting sustainable development,and upholding international law.With 193 member states,the world’s largest multilateral organization has served as an important platform for international cooperation on global issues. 收起