First of all, human activies are one of the leading factors in water shortage. From a perspective of the world as a whole, it is rapid increase of the population, improved lives of the peoples and developed industries that have led to an increasingly sharp rise in water supply.
仅销野供参考亏败喊,望能帮枯滑助到你,呵呵!
First of all, human'信或s activities is one of the main reasons cause the lack of water. On current world, due to a rapidly growing population, improvments of people's lives and developed industries, these aspects increase the output of supplying water.
希望滑局伍对你腊困有用