我研究了2签出文档的网站，他们支持重复支付。
I studied from the documentation of 2checkout website that they support recurring payments.
请帮帮我，我需要修改/定制为了启用重复支付。
Please help me out, what i need to change/customize in order to enabled the recurring payments.
发行电子现金的银行不再进行电子现金的重复支付检查。
The bank which issues the electronic cash does not carry out the check-up of double-spending.
应用推荐