1, the logical framework is clear. The overall structure is clear at a glance;
2. Clear expression. When expounding problems and viewpoints, we should step by step and deepen gradually;
3, the text expression should be accurate. Because PPT can't list all the words, it should be cut moderately, reduce jumps and avoid more explanations;
4. Try to catch keywords, reduce excessive language and so on.
The above is for reference only, I hope it will help you.