When invited, they say "thank you" and accept it, or say "sorry" and give reasons. Sometimes, what people say sounds like an invitation, but it is not a real invitation. For example, "Please come and have a drink.
Have time! ""Let's get together for lunch soon! "They are not real invitations because they don't mention dates or times. They just show that this person is trying to be friendly. People usually
Answer "Sure, that would be great." Or "OK, thank you." So next time you hear what the invitation is like, please listen carefully.