N-COUNT
(经济等的)衰退，下降趋势
If there is a downturn in the economy or in a company or industry, it becomes worse or less successful than it had been.
例句
They predicted a severe economic downturn.
他们预言会有严重的经济衰退。
...unchanged profits for 1990 due to a sharp downturn in the industry.
行业的急剧衰退导致了 1990 年利润维持不变