How to Outsmart Your Peers on youtube 登録者 増やす
http://dallasonzh420.theglensecret.com/10-wrong-answers-to-common-youtube-zai-sheng-hui-shu-zengyasu-questions-do-you-know-the-right-ones-1
Read through as a result of your presentation beforehand. Go through all around the subject, so that you're self-confident that you are aware of much more than your viewers, even Once you have spoken.