如网络基础设施、支付手段、安全认证、电子物流配送等诸多问题。

For instance network infrastructure, means of payment, safety certification, such a great deal of questions as electronic material flow provide and deliver.

youdao

如网络基础设施、支付手段、安全认证、电子物流配送等诸多问题。

For instance network infrastructure, means of payment, safety certification, such a great deal of questions as electronic material flow provide and deliver.

youdao