是否应由私人公司控制我们最珍贵的自然资源？
Should private companies control our most precious natural resource?
毫无疑问，资源回收有助于节省珍贵的自然资源。
There is no doubt that recycling helps save our precious natural resources.
门头沟有很珍贵的自然资源，其中包括石灰石和花岗岩。
It is a treasure trove of natural resources, including coal, limestone, and granite.
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