What's more, demand for animal products in developing countries is growing so fast that meeting it will require an extra 300 million tons of grain a year by 2050.

此外，发展中国家对动物产品的需求增长如此之快，以至于到2050年时每年将需要额外增加3亿吨谷物才能满足需求。

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Demand, especially in China and India, should continue to strengthen as these countries require more steel, food and fuel.

需求，特别是来自中国和印度的需求，将会继续走强，因为这些国家需要更多的钢铁、食品和燃料。

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Propping up demand may therefore require more persistent, and sustained, budget deficits than in Japan.

因此，拉动需求可能需要维持比日本更持续长久的预算赤字。

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In the NBP, the Commission projected that explosive increases in mobile demand would require 300 Mhz. of new spectrum by 2015, and 500 Mhz. by 2020.

FORBES: AT&T Moves Dramatically Towards 'Internet Everywhere'

So Efficient is developing software that manages the flow of DSL data through the phone system, especially as telcos bring out services such as video on demand that require more bandwidth.

FORBES: Above the fray

As the industry shifts from large central plants to a diverse collection of windmills and biogas generators, managing the complex balance of supply and demand will require fat communications pipes and complex calculations.

FORBES: Juicing the System