Is it trouble for buying it? Can I buy it online? I think it's not very hard and up-to-date information can be found on the Expo hotline: 21962010. Is it expensive? Can I afford it？ A little bit, I think. But it's worthy. OK, thank you very much! And should I book the hotel room there earlier? I think so, but I bet you should ask for your leader's permission to leave first. Absolutely right! It's at busy season of work right now, so the permission odds are small. Come on. By the way, don't forget to take a camera fully charged. Go inside and you’ll find many more. I will and thank you again for sharing!