At the same time, the U.S., having edged closer to energy independence with natural gas and oil shale, no longer needed Riyadh the way it once did, and was noticeably less attentive.

与此同时，随着天然气和油页岩的开采，美国已经逐渐接独立，已经不再像过去那样需要利雅得了，对沙特也明显不那么在意了。

" They drilled a hole several hundreds metres deep and they hit a deep, black, oily shale, " he said. " It turned out to be 1.1bn years old, which is absolutely incredible" .

" 他们钻出了一个几百米深的洞，然后钻了一个很深的黑色油页岩，" 他说，" 竟不曾想有11亿年的历史，简直令人难以置信。"

On energy, I will cancel job killing restrictions on the production of American energy, including shale energy and clean call, creating many millions of high paying jobs. That's what we want, that's what we've been waiting for.

方面，我将撤销那些有碍美国产业就业的限制，包括油页岩和洁净煤，以创造数百万的高薪工作机会。那正是我们想要的，也是我们一直翘首以待的。