This is the 12365th most frequent Korean word.
달러였다
"It was a dollar."
In this sentence, '달러였다' refers to the currency used for payment, indicating that the transactions were conducted using dollars.
그는 물건을 살 때 항상 달러로 계산했다.
He always paid in dollars when buying items.
Here, '달러였다' conveys the amount in dollars that is being referenced, specifically the value at an exchange rate.
지난주에 환율이 1달러였다.
Last week, the exchange rate was 1 dollar.
In this example, '달러였다' denotes the exact monetary amount in dollars that was received by someone.