機票的價格高=去中國的人數大增?你怎麽不說汽油費和安保費都漲呢
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Supply and Demand rule. In such a deflation period,
-8283-
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04/21/2010 postreply
11:41:41
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原來你的Eco101就隻學到了supply和demand呀!得了,
-englishbay-
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04/21/2010 postreply
11:41:41