Many southerners live in remote areas difficult to access by road, and many roads become impassable during rainy season.

VOA: standard.2010.03.23

There's a wonderful book by my former colleague, Geoffrey Parker, called The Spanish Road, which talked about how difficult it was for the Spanish to get troops all the way to the Netherlands.

我之前的同事 杰弗里·帕克,写了一本非常好的书,叫做《西班牙之路》,讲述了西班牙是怎么样艰苦地,将军队派遣到荷兰去的

耶鲁公开课 - 欧洲文明课程节选

But road travel from the sites remains difficult. The general says there are more than 1,400 flights on a waiting list to land in Port-au-Prince.

VOA: standard.2010.01.21