Cách sử dụng
The expression "discourse on" is used when someone is talking or writing in a detailed and serious way about a particular topic. This phrase is often used in academic or intellectual settings where people are discussing complex ideas or issues. For example, a professor might give a discourse on the history of philosophy, or a politician might give a discourse on the state of the economy. It is important to use this expression in appropriate situations, and to have a clear understanding of the topic being discussed.