求高人翻译下这篇文章 在线翻译的勿扰、

求高人翻译下这篇文章 在线翻译的勿扰、The spread of the desert is not now. In ancient times, for example, the Middle East was a very rich area. For hundreds of years; desert people moved form place to place with their animals before an area was destroyed. They planted crops every other year in an area so they never used the land too much. These ways are disappearing, mainly because of modern technology. Today, many troubles add to the problem along the edge of the desert. The population is growing, and too many animals feed on the limited land. Now the whole world is trying hard to stop the spread of the desert. This may be the last chance to save the land.