Internal and external network

• 内外网

Internal and external network的用法和样例：

例句

1. In fact, any project system involved in network security and isolation between intranet and extranet can use the system directly or with little modification.
   实际上，任何涉及内外网隔离和数据交换的系统都可以直接或者稍作修改应用该系统。