2.It happened 7 years ago when I just graduated from primary school.My parents took me to Shang hai to visit the Expo site.They believe the experience would open my mind and increase knowledge.It truly did.I hadn't seen so many people show up at the same place before.Those high-tech stuff were mind-blowing.It took us two days to finish our tour of all the pavilions.

3.From my perspecitve,the World Expo provides an opportunity for countries all over the world to exchange their visions,show their customs and look for future co-operations.In the mean time,it's a platform where top companies in the world promote their new ideas,cutting-edge technologies,their products and services.So the idea behind such a event is brilliant.

4.The world expo meant a lot for my country.We used it to show the prosperity and development of the nation to friends from all over the world.In addition,it attracted investments,boosted local tourism and created jobs in that period of time.So it has a great influence here.

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