The role of lyrics or poems in the text

Lyrics or poems appear in the text, and quoting poems can generally play the following roles (from the Internet):

1 can make the expression language concise; Lively and lively, add interest.

It is very helpful for reasoning, expression and expression, providing strong arguments for one's own views and opinions and enhancing persuasiveness.

Make the argument conclusive and sufficient, and enhance the persuasiveness.

It has the function of making the finishing point, enlightening people and sublimating the theme.

Citation is very helpful for reasoning, expression and expression, providing strong arguments for one's own views and opinions and enhancing persuasiveness.

The specific situation should be analyzed in combination with the article.