How to use footnotes, endnotes and references in papers? What is the difference? When to use footnotes?

Exaggerated before, she said that what appeared later appeared first, and said that what appeared first appeared later. She was drunk before she brought the cup.

Write things as adults, endow things with people's words and deeds or thoughts and feelings, and describe things with words that describe people. Function: write animals, birds, insects, flowers, trees or other inanimate things into adults, so that specific things are personalized and the language is vivid. Such as: peach trees, apricot trees, pear trees, you won't let me, I won't let you, they are all full of flowers to catch up with.