Although there are still thought to be around 20 billion barrels of the black stuff under the waters off Aberdeen, extracting it is getting ever more difficult and costly.

尽管仍然有人认为在阿伯丁海岸的海底储存着大约200亿桶原油，但是提炼它却更加困难，成本更高。

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Although there are still thought to be around 20 billion barrels of the black stuff under the waters off Aberdeen, extracting it is getting ever more difficult and costly.

尽管仍然有人认为在阿伯丁海岸的海底储存着大约200亿桶原油，但是提炼它却更加困难，成本更高。

youdao