'The popcorn arrives at a value', 'The popcorn isn't free', 'The popcorn cost $ten', 'It's important to purchase the popcorn' or, basically, 'The popcorn isn't free'. The assertion, 'You may take your little one about the flight free of charge' could well be in opposition to 'You have to pay to acquire your baby over a aircraft' or 'It is not free'