The European Union has said that resolving the thorny issue of the Irish border must be a priority in Brexit negotiations with the United Kingdom.
원문출처 : http://www.cnn.com/2017/04/28/europe/brexit-eu-uk-ireland/index.html
원문출처 : http://www.cnn.com/2017/04/28/europe/brexit-eu-uk-ireland/index.html