回复：understand.

来源: 于 2009-12-31 15:10:05 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Many tennis players are from tennis Academies and home schooling. It is hard to keep up the academic. Many of those kids aim for Pro and play 6-8 hours a day. It is not easy to have, say >8 AP, >2200 SAT I or >34 ACT.