But efficiency gains would not be enough.

但是，仅靠提高效率是不够的。

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Overall efficiency gains in the use of water could be large.

用水高效产量整体非常可观。

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Pay rises ran well ahead of efficiency gains in all these countries.

在这些国家，工资上涨远比效率提高快。

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Imagine the efficiency gains if the ethanol produced in Iowa was consumed in Iowa.

FORBES: The Midwest Should Use Its Own Ethanol

There would be efficiency gains from keeping ethanol in the region while backing out petroleum imports.

FORBES: The Midwest Should Use Its Own Ethanol

But as input costs rise, the utilities grow more aggressive in seeking efficiency gains.

FORBES: Magazine Article