A modern author who wishes to indicate special emphasis to each item in a list uses bullets to indicate this emphasis. By bulleting the reader is asked to dwell for a moment on each list item and listen to its nuances. In my article Biblical Formatting that just appeared in the Jewish Bible Quarterly,and available on the world wide web, I have explained that when the Biblical Author wishes to indicate special emphasis on each member of a list, repeated keywords are used. The repeated keywords should be interpreted as the equivalent of a bulleted format. The following example illustrates this.

Verse Ex03-11 presenting Moses' protestation against taking the Jews out of Egypt states And Moses said to God, Who am I,
• that I should go to Pharaoh, and
• that I should bring forth the people of Israel out of Egypt?
Rashi interprets the repeated connective keywords as indicating a bullet format. The bullets create a contrastive emphasis requiring focusing on each underlined item. Hence the Rashi comment:
• Who am I that I should argue against a difficult king like Pharoh
• Who am I that I should be a leader of an obstinate and difficult people like the Jews