Billed beforehand as the "Carnival Games" full of happy fans, the Rio Olympics turned out to be one of the toughest in history.
원문출처 : http://www.cnn.com/2016/08/22/sport/rio-olympics-2016-report-card-pass-fail/index.html
원문출처 : http://www.cnn.com/2016/08/22/sport/rio-olympics-2016-report-card-pass-fail/index.html