As demand slumped, respondents said their firms' profit margins sagged as well.

随着需求疲软，受访者表示他们所在企业的利润率也随之下降。

youdao

As demand for food slumped, so too did farm prices (though those of manufactures rose, as craftsmen died).

随着食物需求下滑，粮食价格也下降了不过由于工匠都死了，手工制品的价格因此上涨。

youdao

The result was that domestic demand slumped even as exports fell.

其结果就是，正巧在出口下滑的同时，国内需求也大幅下挫。

youdao

Spain's economy shrank for a seventh consecutive quarter between January and March as domestic demand slumped.

BBC: Business

Already the export recovery, combined with a sharp cut in imports as domestic demand has slumped, has brought a huge improvement in some economies' current-account balances.

ECONOMIST: Better news in East Asia

Electrical engineering firms have suffered particularly badly in recent months as demand from technology firms has slumped.

BBC: Recession fears for UK engineering