Tennis great Roger Federer will miss the US Open later this month and possibly the rest of the season, after announcing that he needs another knee surgery which will sideline him for "many months."
원문출처 : https://www.cnn.com/2021/08/16/tennis/roger-federer-us-open-knee-injury-spt-intl/index.html
원문출처 : https://www.cnn.com/2021/08/16/tennis/roger-federer-us-open-knee-injury-spt-intl/index.html