That makes China’s yuan one of the most undervalued currencies in the Big Mac index, our gratifyingly simple guide to currency misalignments, updated this week (see chart).
这使得人民币成为本周巨无霸指数——本刊的实用单一货币失调指标——中最被低估的货币（见图）。
3
It may be helpful for a trader to keep an eye on the dollar indexchart to provide an overview of how the dollar fares against the other currencies in the index.