技术无效率的房地产企业的产出能力不足，在不减少投入的情况下，净利润有很大的提升空间。
The technical inefficiency enterprises lack the production capacity, in the circumstances of not reducing investment, the net profit greatly still has the enhanced space.
企业在过去主要通过减少成本提升利润空间，在将来这可能没那么容易。
Firms have been able to boost profits in the past year mainly by cost-cutting, something that is unlikely to be as easy in future.
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