Why You Should Focus on Improving 해외스포츠중계
http://cashybog300.unblog.fr/2019/09/23/nba%ec%a4%91%ea%b3%84-what-no-one-is-talking-about/
1. Know your subject matter. Go through through your presentation beforehand. Read through close to the subject, so that you will be assured that you recognize greater than your audience, even after you have spoken.