Cách sử dụng
"Not a penny" is an expression used to describe a situation where someone has no money at all. For example, if someone asks you for some money and you say "sorry, I don't have a penny", it means you have no money to give them. Or if someone asks how much something cost and you say "not a penny", it means it was completely free. This expression is often used in informal situations with friends and family, but it can also be used in more formal situations.