From Longman Dictionary of Contemporary English(just) think(just) thinkIMAGINEused to ask someone to imagine or consider something Just think – we could be millionaires!(just) think of It would be lovely, but think of the expense!just think what/how etc Just think what could have happened. → think
Examples from the Corpus
just think what/how etc• And just think what the totals would be if you could make a Future Wager in California. 