很急啊!!用英文表达支付系统,网上支付,安全认证中心,网络银行的特点,功能和意义吗?

Payment System, Online payment, Security Certification Center, Online bank, function and significance

支付系统：payment system
网上支付：on-line payment
安全认证中心：safety certificate centre
网络银行的特点，功能和意义：characteristics, functions and significances of network banks