topic outline就是写个题目来概括这一段的主旨，例：

1. Family Problems家庭问题2. Economic Problems 经济问题sentence outline就更详细些了，用一句完整的话概括这一段的意思，例：

2. Some of the most negative effects on adolescents may be associated with economic problems. 对青少年最负面的影响可能与经济问题有关。