Every time you deliver a presentation, monitor your viewers's conduct. Should you notice persons concentrating on your slides, the slides might comprise far too much knowledge or be complicated or distracting in some other way. Use the knowledge you discover every time to enhance your long term presentations. 知乎，让每一次点击都充满意义 —— https://bookmarklethq.com/story20016761/5-easy-facts-about-slot89-described