英语翻译The purpose of a building is to provide a shelter for th

英语翻译
The purpose of a building is to provide a shelter for the performance of human activities.From the time of the cave dwellers to the present,one of the first needs of man has been a shelter from the elements.In a more general sense,the art of building encompasses all of man’s efforts to control its environment and direct natural forces to his own needs.This art includes,in addition to buildings,all the civil engineering structure such as dams,canals,tunnel,aqueducts and bridges.