Industry in Britain has been in decline since the 1970s.

英国工业自20世纪70年代以来一直在走下坡路。

《牛津词典》

After all, Pakistan has been in decline for many years, and has not tumbled into the abyss.

毕竟巴基斯坦已经持续多年衰退，还没有跌入深渊。

youdao

Japan's economy has been in decline since the early 1990's and recently has been beset by deflation.

日本经济自1990年代初起便处于衰退状态，而近期则又受到通货紧缩的困扰。

youdao

Global Witness says trends in the number and average size of oil discoveries has been in decline since 1965.

VOA: standard.2009.10.20

There has been good news in recent weeks for investors who watched stock markets decline sharply amid the global financial crisis.

VOA: standard.2009.10.16

In fact, the decline has been remarkably consistent. This month we lost 663,000 jobs.

VOA: standard.2009.04.03

The price hit a recent high in October and has been in decline since.

WSJ: Gold Plummets to Two-Year Low

Satellite data show that arctic late-summer ice has been in decline for about 25 years.

FORBES: It's the Holiday Season, and Global Warming Hype Is Filling the Air

After steady growth in home ownership since World War II in England, it has been in decline since 2003.

BBC: Charity calls for help freeing up family homes