英语六级100条阅读难句分析-sentence 3

　　With the dollar slumping to a 26-year low against the pound, already-expensive London has become quite unaffordable. (09.6 Passage 1)
　　主干：...London has become (quite) unaffordable.

　　这是个简单句，句首的“with+宾语（the dollar）+宾补（slumping to...）”作状语，表示原因。
　　译文：随着美元兑换英镑跌至26年来的最低，原本已经很昂贵的伦敦变得让人去不起了。