Given the form he's been showing in the last 14 months, most people aren't surprised that Roger Federer is once again world No. 1.
원문출처 : https://www.cnn.com/2018/02/20/sport/roger-federer-retirement-number-one/index.html
원문출처 : https://www.cnn.com/2018/02/20/sport/roger-federer-retirement-number-one/index.html