简称“外汇券”。我国自1980年4月1日起经国务院批准授权由中国银行发行的，含有外汇价值的人民币凭证，它与人民币等值foreign exchange certificate

• 外汇兑换券是一种含有外汇价值的人民币凭证。

  Foreign exchange certificates are a type of RMB certificate with a foreign exchange value.

• 中国银行近日发出关于延长外汇兑换券收兑期限的公告。

  In recent days, the Bank of China made an announcement about extending the period in which foreign exchange certificates can be exchanged.