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。
As demand slumped, respondents said their firms' profit margins sagged as well.
随着全球经济疲软，对石油、铜、粮食以及其它商品的需求都在减少，这就拉低了原材料的价格。
With economies around the globe weakening, demand for oil, copper, grains and other commodities has diminished, bringing down prices of these raw materials.
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