why 'you cannot buy with money'?

來源: 於 2010-08-21 23:42:20 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

because it is priceless and it is not 'unbiased' as what they claimed in text book...

glad to talk to you on this issue, we can have a cup of coffee sometime, if you are in sydney!