Both of our specific issues within a larger issue or about who said what in given conversations.

也可以用来强调一个大问题中的特定方面，或者是在特定的谈话中谁曾经说过什么。

That's what课堂 - SpeakingMax英语口语达人

Our third example for using the "That's what" pattern is when you explain a specific point about a larger issue.

使用 "That's what" 的第三种情况，是解释一个大问题中的特定方面。

That's what课堂 - SpeakingMax英语口语达人