A number of solutions have been tried in order to reduce the rate of desertification and regain lost land.
A number of solutions have been tried in order to reduce the rate of desertification and regain lost land.
人们已经尝试了很多方法来降低土地沙漠化的程度和恢复已失去的土地。
A number of solutions have been tried in order to reduce the rate of desertification and regain lost land.
人们已经尝试了很多方法来降低土地沙漠化的程度和恢复已失去的土地。