'The popcorn arrives at a price', 'The popcorn is just not free', 'The popcorn cost $ten', 'It's important to purchase the popcorn' or, just, 'The popcorn isn't free'. The statement, 'You can take your baby over the flight free of cost' will be in opposition to 'You will need to spend to consider your infant with a airplane' or 'It's actually not f