They are not the same even they are 30

来源: duck_donald 于 2013-09-03 13:41:40 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (211 bytes)

One guy is 30 but plays 7 game including many 5 sets and presumebly better ones at round 5, 6 and 7 at each grand slam. The others play only one or two rounds with 3 sets. Are they the same?
 

请您先登陆，再发跟帖！