That's true. There are 5 people in our office who signed up for

來源: 於 2012-01-29 12:52:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

 

有一幫人有同樣的愛好，就有了一種氣氛，興趣也比較容易持續下去。
有些老美練起來很賣力，我算比較保守的 :-)