Cách sử dụng
"On the contrary" is used when you want to explain that the opposite of what has been previously stated is true. It is often used in a sentence to contradict something that has been said before. For example, if someone says "I heard that John doesn't like pizza," you could say "on the contrary, John loves pizza." It is important to use this expression when you want to make a point that is different from what has been said before.