'The popcorn will come at a cost', 'The popcorn is not free', 'The popcorn Charge $ten', 'You should pay for the popcorn' or, merely, 'The popcorn is not free'. The statement, 'You might take your infant on the flight free of charge' could be in opposition to 'You have to shell out to just take your toddler on the plane' or 'It isn't free', or info