在电子商务系统工程中，电子支付是最核心最关键的环节，是电子商务得以进行的基础条件。

In the System Engineering of Electronic commerce, Electronic payment (E-payment) is the essential link; it is also a basic factor to proceed with Electronic commerce (E-commerce).

youdao

在电子商务系统工程中，电子支付是最核心最关键的环节，是电子商务得以进行的基础条件。

In the System Engineering of Electronic commerce, Electronic payment (E-payment) is the essential link; it is also a basic factor to proceed with Electronic commerce (E-commerce).

youdao