Which of this advice do you find useful？

　　1. Never write in complete sentences.

　　2. Don't use so many abbreviations that your notes are meaningless later！

　　3. Use key words like because， therefore， but or and to indicate the relations between ideas.

　　4. Use the dash - . It is the most useful punctuation mark in note-taking.

　　5. Use a lot of space - then you can expand your notes later. Put each idea on a new line.

　　6. Use the layout： paragraphs， headings and underlinings to help make the meaning clear.