1、Last year saw a decline in the effective demand for steel.
去年，鋼鐵的實際需求下降了。

2、The contradictions embody the lack and non-diversification of effective demand for forestry.
而有效需求單一和不足則是林業(yè)矛盾的主要方面。

3、That kind of the research which leaves no effective demand empty is not the interest of teachers'.
那種離開實際需要空談理論的科研是老師們所不感興趣的。

4、Effective demand will not change in exact proportion to the quantity of money.
有效需求和貨幣數量不作同比例地變動。

effective demand翻譯