“Nobody knows or can know how much oil exists under the earth's

来源: hello2002 于 2016-04-04 05:14:25 [] [旧帖] [给我悄悄话] 阅读数 : (193 bytes)

这篇文章说的。

“Nobody knows or can know how much oil exists under the earth's surface or how much it will be possible to produce in the future.”

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