Her remarks today were an 'expansion on' her earlier comments regarding the budget.
This book is an 'expansion' of a lecture series.
the 'expansion' of a lecture series into a book
(..) Well,today we tried masturbating for money. Our whole universe was in a hot,dense state then nearly billion years ago expansion started... wait! The earth began to cool the autotrophs began to drool, neanderthals developed tools we built the wall we built the pyramids (..)2007 TvShow: The Big Bang Theory Title: Pilot Season: 1 Episode 1