be yourself and win the neutral audience
knowledge, face expression, body language, voice
1. simple phrases and oral language, making it interesting
2. 轻轻扬起眉毛，在前额形成几道平行线。look at nose, mouth, etc.
3. 开放式的手势，两脚分开与肩同宽。坐时脊椎推直，离开椅背，脚后跟着地。
4. 变化的音量，音调，速度。only speak while looking, pause without meaningkess words.
control breath and speak while thinking
PRACTICE！！！
