A paragraph provides subtopic definition and visual relief to make reading easier.

一个段落应该给出小标题并能减少视觉疲劳,从而使阅读更容易.

When you feel stuck by different color highlighters to divide the material by main topic, subtopic, important information etc.

利用荧光笔，按照主要话题、副话题和重要信息等，划分材料内容。