In order to “sustain” the production level, the number of seedlings planted each year must equal the number of trees (saplings and young trees) that are sold.
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Even though we worked so hard, the production level of fruit was still low because it was short of water there.
尽管我们如此努力劳作,水果的产量仍然很低,因为那里缺水。
At the production level, in the United States the conversion was virtually complete by 1930.
事实上,从生产水平方面来讲,在美国直到1930年才完成这一转变。
The economy of planning is plainly seen at the production level.
规划的经济性清楚地体现在生产水平上。
"To get back to the 1998 level of production, Venezuela would need to invest for the next 10 years to upgrade its petroleum operations.
VOA: standard.2010.08.06
But if we have credit markets, then people can individually choose to be off the production possibility frontier and at a higher level of consumption than otherwise would.
但如果存在信贷市场,那么个人可以选择超越,PPF曲线的范围,达到比没有信贷市场时更高的消费水平
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