Speaking at the UN, President Obama says its peacekeepers remained one of the world's most important tools to address armed conflict. And more nations needed to bear the burden of providing troops. "_________________" 奥巴马总统在联合国演讲时表示,美国的维和战士仍是世界上解决武力冲突的利刃.还需要更多国家承担派遣军队的重任."_____________"
