If this tree-planting experiment works in the Negev Desert, forests might be able to grow in many barren parts of the world that are too dry for most trees.

• 如果这项植树计划在内盖夫沙漠试验成功的话，或许在世界上许多因干燥而使植物难以生长的不毛之地，都可以植树造林的。