[] () that shows the value of a country's currency, compared with the currency of other countries that it trades with贸易加权的◆The dollar has fallen nearly 5% on a trade-weighted basis.美元贸易额加权汇率下跌了将近 5%。◆Last year the dollar lost 9.6% of its value against a trade-weighted basket of currencies.去年美元币值对贸易加权一揽子货币下跌了 9.6%。