一いっ本ぽん建だて為替かわせ

noun

single rate; single exchange rate

Financial term for a single, unified exchange rate, as opposed to multiple or tiered rates. Used in contexts like foreign exchange or trade.

• この銀ぎん行こうでは、一いっ本ぽん建だて為替かわせを採さい用ようしている。

  This bank adopts a single exchange rate.