It's expensive because the process by which we produce it is energy intensive and resource intensive.

它贵是因为我们制造它的,过程消耗了很大的能源,和资源。

麻省理工公开课 - 固态化学导论课程节选

It's that China and India and we and Europe and Russia are all scrambling for energy.

问题在于中国，印度,我们，俄罗斯和其它欧洲国家,都在争夺能源资源。

普林斯顿公开课 - 国际座谈会课程节选

We would be then reaching to the EU, and saying: "Look, you got some oil, and you've also got possibilities of developing alternative sources of energy, We'll work with you.

我们主动和欧盟交谈，你们有石油资源，你们还有可能,开发可替代能源资源，我们想和你们合作。

普林斯顿公开课 - 国际座谈会课程节选