【正文】
se some small, seemingly meaningless expressions such as Good morning, God bless you, Nice day, etc., to maintain a fortable relationship between people without any factual content. Recreational function The recreational function means people use language for the sheer joy of using it, such as a baby’s babbling or a chanter’s chanting. Metalingual function The metalingual function means people can use language to talk about itself. . I can use the word “book” to talk about a book, and I can also use the expression “the word book” to talk about the sign “book” itself.