'The popcorn will come at a cost', 'The popcorn just isn't free', 'The popcorn cost $ten', 'You have to purchase the popcorn' or, simply just, 'The popcorn isn't really free'. The assertion, 'You may take your newborn on the flight free of cost' can be in opposition to 'You have to pay to just take your infant over a plane' or 'It isn't really free