Geothermal energy probably will not make large-scale contributions to the world energy budget until well into the twenty-first century, if ever.

如果可能的话，进入了21世纪之后，地热能才会对世界的能量预算做出大规模的贡献。

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It is the world of energy that is described by the Statistical Review of world energy.

这是《世界能源统计年鉴》所描绘的能源世界。

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Safeguarding world energy security is an urgent task facing all countries in the world.

维护世界能源安全，是世界各国共同面临的紧迫任务。

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While demand for renewable energy is growing, those supplies currently meet just seven percent of world energy needs.

VOA: standard.2010.04.21

With the recent spike in food prices around the world that you've all heard of because of rising energy costs.

大家都听说了,由于能源价格上升,导致了全球食品价格的飞涨

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, in a sense, it says, you know, if you wanted to build a boat that took energy out of the warmth of the air to sail around the world, you can do that.

因此，某种意义上说，它宣称如果你想要造一艘船,通过从空气中获取热量,这是可以做到的。

麻省理工公开课 - 热力学与动力学课程节选

It has accounted for two-thirds of the increase in world energy demand since 2000.

ECONOMIST: The balance of economic power

And the reason is, is because oil is bought and sold on the world energy market.

WHITEHOUSE: President Obama Speaks on American Energy

At the moment, of course, renewables are still a tiny share of world energy.

ECONOMIST: When virtue pays a premium | The