預算一千美元左右，上大學用，上網查資料，做功課，算數學。

來源: 天象於 2007-07-20 12:34:53 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.