Can Ethernet Be Used for WANs
以太网能用于广域网吗。

What wans persistently to entangle
为什么要如此的坚持纠缠呢？

Enhance and maintain LANs and WANs to ensure proper level of service.
提高和维护局域网和广域网，以确保服务的权限。

To be sure, Ethernet has some serious competitors in both MANs and WANs.
网中得成功变成广域网中得成功，仍未有定论。

Jack leads the other two to applause Lao Wans superhuman feat， which makes Lao Wan more triumphant.
杰克带头鼓掌喝彩，这让老万更加得意洋洋。