convertible bank note的用法和樣例：
例句
- Since 1921 the Bank has enjoyed a complete monopoly over the issue of banknotes and coins in England and Wales.
自一九二一年以來，該銀行完全獨佔了英格蘭和威爾士的銀行券和硬幣的發行。 - Bank notes were pieces of paper that promise to pay the bearer a specific amount in gold when presented to the issuing bank for redemption.
銀行券當持有者向發行行提交以請求償還的時候，承諾支付持有者一定數量黃金的紙。
