'The popcorn will come at a price', 'The popcorn isn't free', 'The popcorn cost $ten', 'You need to purchase the popcorn' or, only, 'The popcorn is just not free'. The assertion, 'You usually takes your baby about the flight free of cost' might be in opposition to 'You will need to pay to choose your little one on the plane' or 'It is not free', or