Cách sử dụng
The expression "for a song" is used to describe something that is very inexpensive or cheap. It means that something is being sold or offered at a very low price. For example, you might say, "I bought this car for a song" meaning you got the car for a very cheap price. It can be used in many different contexts, such as buying clothes, furniture, or even concert tickets. It's important to note that this expression is informal, so it's usually used in casual conversations rather than in formal situations.