帮忙翻译下喽2

Throughout its existence of more than 150 years, the Expo will bring new knowledge from a specific period of time and trend of development, reflecting the human civilization. The main attractions of the first session of the World Expo in 1851 in the Crystal Palace in London: almost 500 meters long palace built of cast iron and glass. Subsequently, the participating countries will offer similar advantages to introduce from time to time every few years. 　　Today EXPO is the economic and cultural Olympiad of the world, a competition among nations, as well as among exhibitors from the private sector on a given subject. At the same time, it is about marketing countries internationally. Expositions of the first category last a maximum of 6 months and may be held on an enormous area. But at a time when information as well as goods can be had through the internet and other technologies, they remain a place of rendezvous and of authentic experiences.

　　在其存在的150多年,世博会将带来新的知识外,还可以从一个特定的时间和发展趋势,体现人类文明。主要景点的第一届世博会自1851年在水晶宫在伦敦:近500米长的宫殿建的铸铁和玻璃。随后,参与国家每隔几年将提供类似的优势来介绍。
 
　　今天博览会是经济和文化奥林匹克竞赛的世界,各国之间的关系,以及在参展商来自私营部门在某个特定的主题。同时,它是关于市场的国家。博览会的第一类持续最长的6个月大的时候,可能会在一个巨大的区域。但当时信息以及产品还可以通过因特网和其他技术的地方,他们仍然是个地方的聚集地,正宗的经验