High oil prices have allowed state and private investors across the Gulf to funnel billions of dollars into property markets, infrastructure projects and, more recently, foreign-exchange speculation.
高涨的油价使得海湾各国的国有和私人投资者能将上百亿美元资金投入房地产市场、基础设施项目，不久前更是投入了外汇投机交易。
But the activity of property speculation and the sale of dwellings are just as unproductive and incapable of creating wealth as any other exchange of commodities.
但是倒卖产权以及房产销售同其他日用品交易一样既无甚收益也不能够创造财富。
THE dollar's steep drop this year has triggered speculation that central banks may soon intervene in the foreign-exchange markets to prop up the sickly currency.
美元今年急速下滑引起人们开始推测，央行可能马上就会对外汇市场进行干预，以支持有些病态的货币。
THE dollar's steep drop this year has triggered speculation that central banks may soon intervene in the foreign-exchange markets to prop up the sickly currency.
美元今年急速下滑引起人们开始推测，央行可能马上就会对外汇市场进行干预，以支持有些病态的货币。
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