信用卡信息要传递到外部系统，所以我们必须确保至少有一个有效号码。

Credit card information was to be passed to an external system, so we had to ensure we at least had a valid number.

youdao

信用卡信息要传递到外部系统，所以我们必须确保至少有一个有效号码。

Credit card information was to be passed to an external system, so we had to ensure we at least had a valid number.

youdao