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以上来源于: WordNet
Last year saw a decline in the effective demand for steel.
去年,钢铁的实际需求下降了。
Effective demand will not change in exact proportion to the quantity of money.
有效需求和货币数量不作同比例地变动。
The contradictions embody the lack and non-diversification of effective demand for forestry.
而有效需求单一和不足则是林业矛盾的主要方面。
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