The main roads are never a problem here in PA. It is the second

来源: 2014-02-05 16:14:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

另外一个是东岸一带terrain比较复杂,上坡下坡开车容易出事,有些关门的决定是因为safety.  

我在想是不是越依赖机动,越vulnerable.