trade-weighted value

trade-weighted value　贸易加权价值　

A measurement of the foreign exchange value of the U.S.dollar compared against certain foreign currencies.Trade-weighted dollars give importance or weight-to currencies most widely used in international trade，over comparing the value of the U.S.dollar to all foreign currencies.Since the currencies are weighted differently，changes in each currency will have a unique effect on the trade-weighted dollar and corresponding indexes.