2.西安世园会的理念是:绿色引领时尚。The main concept of the expo is Green Leads the Trend.3.西安世园会的主题是:天人长安·创意自然——城市与自然和谐共生。The theme of Xi’an Horticultural Expo is Eternal peace & harmony betweennature & mankind, nurturing and recreating the future earth — peaceful andharmonious coexistence of city and nature.4.西安世园会倡导“简单而不奢侈,低碳告别高耗,回归自然,不事雕饰,绿色生活成为追求的时尚”的理念。The slogan of the expo is advocating the concept of “Loving of simplicity;Striving for a low carbon lifestyle; Returning to embrace of the nature - Making greenlifestyle our fashion pursuit”.5. 西安世园会会徽和吉祥物均命名为“长安花”,取意“春风得意马蹄疾,一日看尽长安花”。The emblem and mascot of the exposition have been designated as the “Chang’anFlower”, quoted from a famous Tang poem which reads: “Proudly I ride a gallopingsteed, feasting my eyes on Chang’an flowers at a fleeting speed.”我是志愿者、这是我们的学习资料、肯定正确、希望我的回答对你有所帮助噢~O(∩_∩)O