The dollar is more than just a reserve currency.

美元不仅仅是一种储备货币。

Finally, what of the dollar's status as a reserve currency?

最后，美元作为储备货币的地位会如何？

The dollar remains a reserve currency, but has been heading south.

美元仍然是一种储备货币，但已经失去了方向。

Today, the dollar is still the world's only viable reserve currency.

今天，美元依然是世界上唯一可行的外汇储备货币。

Reserve currency status is a global public good that comes with a cost.

储备货币是一种有成本的全球公共商品。