关于无主2的LAN和steam，是否入正就看他了，标题不够长不要紧，有显眼的字就行

xx999joe

今天上到官网，无意中看到以下几句话：
Dynamic Co-op online, split-screen and LAN: Share your adventures with friends both online and via LAN. Borderlands 2 features a seamless system enabling you to drop in and drop out of a campaign without ever having to restart the game. On top of that you can even take your new gear from any game to any other!
有co-op，分屏和LAN模式。
http://www.2kgames.com/#/games/borderlands-2

可是又有以下网站如是说：
Gearbox and Valve announced that Borderlands 2 will be integrated with Steamworks when it launches. That means you'll get Steam Cloud support, Steam Achievements and more. This applies to any that buy the retail version of the game as well.
是指运行无主2时必须有steam支持。
http://www.ign.com/articles/2012/02/29/borderlands-2-will-use-steamworks

那官网说的LAN模式到底指什么？还有，3月份那个情书信中也说有

PC版游戏支持FOV，100%鼠标操控的菜单，PC版特制UI界面，支持罗技键盘，支持LAN模式，支持手柄，云存储技术，成就系统等等。

那到底会是怎样的运行模式？是我理解有误，还是就没表达清楚？
目前正在考虑入正，有了锁区问题，又有了steam问题，让我这本身就不给力的带宽给跪了。
求解答，LAN模式到底是和DB3一样是联网单机，还是想gamespy一样离线单机，另外，不到2M的带宽够不够上steam搅基的。