The problem of your argument is that you still consider the value of things based on today's paper currency which is not backed by anything. Why not look beyond 1980's? the current fiat system is only 40 years old.
Really? 炒作行为? Did you notice what the Tunis dictator took with him when he fled from the revolution? Gold. Did you notice what Mubarak's son was trying to move when Egypt was in turmoil? Again it's gold. See when it's critical, it's gold. Facts speak for themselves.