are not well understood. For example, why is it that in the Pacific, of those hundreds of Pacific islands, why did Easter Island end up as the most devastating case of complete deforestation?
目前我们尚未能完全理解。比如说，为何在太平洋中， 在数以百计的岛屿中，只有复活节岛 因为彻底的森林荒漠化而完全荒芜继而消亡？