I really felt she had gone too far; the book must have cost a small fortune.
It must cost a fortune to come all the way out here.
All this may be popular, but it has cost a fortune.
Of course it cost a fortune, but I didn't care.
It was the site, she thought, that must have cost a fortune.
College costs a fortune, yet everyone is expected to go.
Wine doesn't have to cost a fortune to be special.
It must have cost a fortune, but you know your sister.
It certainly didn't look like something that had cost a fortune.
"Oh, you learned a lot about me, must have cost a fortune to buy all that information."
Idiome