构建以合作共赢为核心的新型国际关系（英文）

<正>International relations is an old subject,yet it often makes a new topic for discussion.Since the birth of nation states,how to develop state-to-state relations has always remained high on the agenda of human exploration.More than 300 years ago,with the rise of nation states,the Westphalian System was born in Europe.It established the key principles of sovereignty