阿拉斯加北坡油田的开发，以及阿拉斯加地区输油管道的建设，就是在新石油资源的勘探中涉及到巨额开支和巨大困难的例子。
The development of the oil field on the North Slope of Alaska and the construction of the Alaska pipeline are examples of the great expense and difficulty involved in new oil discoveries.
阿拉斯加拥有美国最大的油田，该省北坡则藏有目前最大的天然气资源，有待于人们的开发。
The state has the largest oilfield in America—and, on its North Slope, the largest known untapped natural gas reserve.
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