Not really

來源: 比花花還花 於 2012-05-29 11:32:15 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (148 bytes)

If you sell a computer for $1500, the buyer has 500 less for dispensible income, which he/she can spend in other places. 

 

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