If you cut down a forest, it doesn't matter how many sawmills you have if there are no more trees.

If you cut down a forest, it doesn't matter how many sawmills you have if there are no more trees.

如果你砍伐了一片森林，如果没有更多的树，你拥有多少锯木厂都没有关系。

-- Susan George 苏珊·乔治