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
(..) You'll have to promise Not sure if I'll have time, but you can read about it in Look, I just want to say, no hard feelings, okay? About the laboratory moving and expansion thing. So I'm actually looking for my own building anyway. How exactly are you going to do that, Trevor? Well, let's just say (..)2008 Journey to the Center of the Earth