What's the use of dashes in the sentence "Oh, you are" A explanation B prompt C topic shift D speech not finished e voice extension f Voice Interruption

What's the use of dashes in the sentence "Oh, you are" A explanation B prompt C topic shift D speech not finished e voice extension f Voice Interruption


I haven't finished



The function of dash in this sentence
I've learned that the great inventions and discoveries in the world are sometimes in danger of being expelled and persecuted





The function of dashes in sentences
Drops of water fall in the puddles, making a very clear sound - Ding - Dong - Ding - dong···


The first function of dashes is to explain the above. This usage is similar to brackets. Their differences are: the sentences marked in brackets are only the explanation of the above, not the text, so you don't have to read them when you read them; the sentences marked by dashes are the explanation of the previous text, but also a part of the text, and must be read in conjunction with the context