The industry has slid into decline.

这个行业已成衰退之势。

《牛津词典》

The industry is in terminal decline.

这个行业每况愈下，一蹶不振。

《牛津词典》

The prevalence of several silkworm diseases has led to a decline in silk products. Especially in France, the silk industry has never recovered.

几种桑蚕疾病的流行导致了丝绸产品下滑。特别在法国，丝绸工业再也没有恢复。

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Meanwhile,with global growth expected to top four percent in 2010 compared to a decline of .6 percent in 2009, industry leaders in the United States say they are optimistic that the total number of foreign visitors will start to grow.

VOA: standard.2010.05.04

With the decline of industry after World War II, Dogpatch, located on the eastern waterfront near Pier 70, fell into disrepair.

BBC: After going to the dogs, a Californian quarter heats up

While many other factors are contributing to the decline of the newspaper industry, such as the recession and a decline in advertising, the very fact that we are discussing this issue here, on a major, mainstream news network's Web site, is a demonstration of the indisputable rise of new media.

CNN: Commentary: Technology is key to success for U.S.

But in the 1960s, the decline of heavy industry meant that this city, with a population of 170, 000, shed more than 40, 000 jobs.

ECONOMIST: The Social Democratic Party under threat in its heartland