我怎麽覺得不換是33％，換是50％呢？不過我數學超級不好。

來源: fitgirl 於 2009-10-18 10:59:43 [博客] [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.