These petrodollars , as they used to be called , create what are now called global imbalances .
这些曾经被称作石油美元的资金造成了我们现在所说的全球失衡。
Petrodollars , the foreign exchange earned by oil exporting countries amid sharp jumps in the crude price , were recycled via western banks to less wealthy emerging economies , principally in latin america .
