他和他的合伙人大约在15年前得到了美国西部地区的部分土地开采权。
He and his partners gained rights to some land in the American West about 15 years ago.
该战略的一部分就包括增加美国国内的石油开采量。
Part of this strategy involves increasing our oil exploration right here in America.
另一个障碍是环保方面的关切：比如说美国，就已经禁止在大部分近海区域开采石油。
Environmental concerns are also an obstacle: America, for one, has banned oil production off most of its coastline.
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