Cách sử dụng
The expression "be sold on something" means to be convinced or persuaded about the value or worth of something. It is often used to describe a situation where someone has been convinced to buy or support something. For example, if you are trying to convince someone about the benefits of a new product or idea, you might say "I'm sold on it, and I think you will be too!" This expression can be used in both formal and informal contexts, and it can refer to a wide range of things, such as a product, an idea or a person.