Keyhole surgery, illness and two-and-a-half months on the sidelines might leave most tennis players a little rusty -- but not Roger Federer.
원문출처 : http://edition.cnn.com/2016/04/13/tennis/roger-federer-injury-return-monte-carlo-masters/index.html?eref=edition
원문출처 : http://edition.cnn.com/2016/04/13/tennis/roger-federer-injury-return-monte-carlo-masters/index.html?eref=edition