a single Asian currency的用法和样例：
- The simple answer is that if there is a sense of Asian unity, then a Single Asian Currency can either facilitate that Asian unity or become a common means towards that end.
- While a single European currency will appear at the turn of the century, the Asian currencies that are freely convertible will continue to mature.
- The letter was written on a single sheet of paper.
- He got over the stream with a single leap.
- The bridge crosses the river in a single span.