The itinerant executive has been the Lord Byron of the modern age: cosseted in the first-class cabins and five-star hotels, with limousine service in between.

• 作者在两段落中分别列举了许多变化。第一个变化是通过旅游公司的合并，结果是，到下个世纪初，只有少数几家庞大的全球公司，有成千家旅行社。