http://business.sohu.com/20050207/n224270973.shtml
很抱歉,老貓沒有時間給您上這堂課,建議您自己上網去查考.
這裡有一篇文章您可以參考
http://business.sohu.com/20050207/n224270973.shtml
http://business.sohu.com/20050207/n224270973.shtml