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發表於 2013-5-2 16:12:56
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assos7800 發表於 2013-5-1 20:50 
when I was working in west Austrilia from 1977 to 1980,only 15 aus. dollar.
Assume exchange rate in 1997 to 1980 is 1 Aud = 5 HKD
Then 15 Aud = 75 HKD
Maybe 75 HKD in 1997 to 1980 = 750 HKD today , after take account to inflation
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