英语翻译
The transiton from analog broadcast television to digital broadcast television(DTV),now an enshrined part of American broadcasting policy,faces its own set of Dementors - a horde of technical,legal,economic,and social problems.
主要是后面的faces its own set of Dementors - a horde of technical,legal,economic,and social problems.这句到底该怎么翻译?