His stellar career is in a slump, but Novak Djokovic says struggling at tennis means nothing when "people are starving to death."
원문출처 : https://www.cnn.com/2018/05/30/sport/french-open-zverev-nishikori-dimitrov-tennis-spt/index.html
원문출처 : https://www.cnn.com/2018/05/30/sport/french-open-zverev-nishikori-dimitrov-tennis-spt/index.html