1. **正式演讲（Formal presentations）** 2. **书面报告/写作（Written reports）** 3. **非正式沟通艺术（Informal presentations）** Myself -- most comfortable with writing, could do formal presentations but require substansive preparing, bad at information presentations and elevator pitches --> which is making me losing lots of great chances > 能不能在 30 秒内，把你正在做的复杂事情，用极其精准、有启发性的话表达出来？ [[My career tagline]]