Generally speaking, when coordinate words are used as subject and object, pauses or commas are often used in the middle; When doing attributes, pause is often used in the middle; As an adverbial, pause is used in the middle, and comma is rarely used.
Misunderstanding of pause usage
1. Do not use pauses between evaluations.
Two adjacent numbers are used together to indicate approximation, without pause, without pause. In 1993, there were "17 or 18 people" in Shanghai college entrance examination, and "34 miles" in 1995.
Exodus For example, he walks seven or eight miles to school every day. → Delete symbol
I don't remember that day. I only remember that it was about five or six o'clock in the morning when he left, and it was just dawn. → Delete symbol
Note that a pause is used between two adjacent numbers, not an approximate number. Students in Class Four and Class Five, Grade Three.
Second, don't use pauses between clauses.
Xiao Wang is an example for all our classmates to learn. He is so hard-working, diligent and rigorous that he is always worth learning from. → Add a comma after rigor.
Example: run and chase! We're about to catch it. Run quickly, followed by an exclamation point.
1997 National College Entrance Examination is a short sentence with three subjects and predicates, and it is not the juxtaposition of words in the sentence. Don't pause in the middle, use commas.