中国银行发行的长城信用卡的简称。是国内第一种外汇记账卡，由中国银行北京分行发行Great Wall card

• 中行的长城卡和建行龙卡比较好用。

  The Bank of China Great Wall card and the China Construction Bank Dragon card are relatively easy to use.

• 中行在长城卡上开发了许多新功能。

  The Bank of China has developed many new functions in the Great Wall card.