A great deal of money remains 'unaccounted for'. [=no one knows what happened to the money]
Many people were 'unaccounted for' after the disaster.
(..) you need to tell me. Baby, listen to what you just say. MapQuest said it takes six minutes to get here. l got here in eight. Which means there's two minutes unaccounted for. lf l was cheating on you, don't you think l'd need more than two minutes? You know what? l ain't going to deal with this. (..)2004 White Chicks