Jiaxing Sun @jiaxing-sun Active 8 years, 8 months ago ActivityProfileSites 0Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Jiaxing Sun posted a new activity comment 9 years, 1 month ago http://eportfolios.fox.temple.edu/jiaxingsun/ View Conversation CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio