✔ 最佳答案
take my words, spend time asking yourself
where u can make a lot of $$$ instead.
then u can buy many balls, a good racket to play with.
i mean it
(let me know if u find the way :D)
2006-11-18 22:04:05 補充:
in pro shop like MRS and many otheru can buy 4 cans of tennis balls (3 each) at around $95-99. Open one can each time, and they can last for 2 weeks or more. that means $100 can last for around 3 months. 其實好化算, 因對練習質素有莫大影響