foreign currency

Переводы
иностранная валюта
Someone needs to exchange foreign currency before traveling.
Кому-то нужно обменять иностранную валюту перед поездкой.
Определения
Foreign currency refers to the money that is issued by a country other than one's own, typically used in international trade and transactions. It is the currency that is not the domestic currency of the individual or entity using it.
Слова
currency

существительное
валюта
foreign

прилагательное
иностранный