The public lands contain approximately 20% of the nation's commercial forest land, as well as large amounts of minerals such as copper, mercury, and nickel.

全国约20%的商业林地是公共土地，这些土地同时也蕴藏着大量的铜、汞、镍等矿产。

youdao

At the moment, standing forest is of little commercial value, and much of it continues to exist only because of laws intended to prevent total clearance of the land.

此刻，耸立着的森林只有很少的商业价值，其中的大部分能够继续存在是因为法律有意地去控制林间空地的总数。

youdao