我的朋友和同学们都想为迎接上海世博会尽一份力，我们坚信，这将是有史以来最棒的一届世界博览会。
All my friends and classmates want to help welcome the expo in Shanghai and we are sure it's going to be the best one in history.
我的朋友和同学们都想为迎接上海世博会尽一份力，我们坚信，这将是有史以来最棒的一届世界博览会。
All my friends and classmates want to help welcome the expo in Shanghai and we are sure it's going to be the best one in history.
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