There is no absolute dollarshortage among emerging economies. They still have massive foreign exchange reserves.
新兴经济中没有绝对的美元短缺，他们仍然有巨大的外汇储备。
2
Initially, the desire to accumulate foreign exchange reserves in dollars was in response the 1997-98 emerging market crises. The crises were triggered by dollarshortage.
最初，他们希望提高美元外汇储备应对1997 - 98出现的因美元短缺触发的市场危机。
3
And we have a form of that here in Australia when we had the holey dollar...... when we had a coin with a hole in the middle because there was a shortage of metal.