Focus on one topic area and use no more than four bullets per slide.
集中一个话题,并且每张幻灯片不要多于四个关键点。
This goes beyond just reading books and absorbing material on your topic area.
但不仅是阅读书籍,学习与你相关的领域的知识。
You can't find an existing group that addresses your topic area or specific interests.
无法从现有群组中找到包含您的主题区域或特定兴趣的群组;
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