A: Well, I don’t need much room at all. I don’t take up much space.
B: You’ve got to think big.
A: Think big! That costs money, John.
B: Oh, that’s true; homes are very expensive.
با توجه به پاسخ نیتیو:
It means that something (thinking big in this case) will require a lot of money. It will be expensive.
دیکشنری merriam-webster costs money: to be expensive
دیکشنری بیاموز
to cost money پول خواست/هزینه داشتن
Roger wanted to buy it but it cost too much money.
“راجر” میخواست آن را بخرد اما آن خیلی پول میخواست.