概括你的演讲；
一个精彩的结尾通常有两个组成部分—首先简要地概括一下你演讲中的重点。
An effective closing usually has two components - First you briefly summarize the points you made in your presentation.
你的问题就是你无法从演讲中概括出重点。
Your problem is that you can't summarize the important points from the lectures.
你的问题就是你无法从演讲中概括出重点。
Your problem is that you can't summarize the important points from the lectures.
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