事物價值在於其實用性。音樂放在音樂廳當然實用，放在地鐵當然沒用。地鐵裏的價值是速度。

來源: 大紅鯉魚於 2012-04-07 04:50:51 [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.