Yifan Fu @yifan-fu Active 8 years, 5 months ago ActivityProfileSites 0Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Yifan Fu posted a new activity comment 8 years, 8 months ago http://eportfolios.fox.temple.edu/yifanfu View Conversation CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio