大顶。同意，除了最后的CD以外。it888 is right. CD= constant depreciation.

来源: 老周于 2008-01-10 12:46:14 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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