inhouse network的用法和樣例：
例句
- An Intranet delivers the same level of power to users as a LAN,but offers greatly simplified network management.
內部網提供給用戶的能力與區域網相同，但大大簡化了網路管理。 - Companies can also install firewalls,which form a barrier between the internal network and the public internet.
公司也可以安裝防火牆，這樣可以在內部網和公共網路之間設置屏障。
