Cách sử dụng
The word 'undated' is used to describe something that does not have a specific date on it. For example, if you receive a letter from someone and it does not have a date written on it, you can say that it is undated. Similarly, if you find a document that does not have any date mentioned, it can also be described as undated. In summary, 'undated' is used to describe something that does not have a date mentioned, making it difficult to determine when it was created or written.