The world is undergoing profound changes which require the discard of the Cold War mentality and the development of a new security concept and a new international political, economic and security order responsive to the needs of our times.是什么意思_The world is undergoing profound changes which require the discard of the Cold War mentality and the development of a new security concept and a new international political, economic and security order responsive to the needs of our times.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句