The discussion focused on three main problems.
讨论集中在三个主要问题上。
I tried to lead the discussion back to the main issue.
我试图把讨论引回到主要问题上。
There was discussion about the fire and its likely cause.
对那场火灾及其可能的.起因进行了讨论。
They finally settled down to a discussion of the main issues.
他们终于开始讨论一些主要问题了。
The article served as a useful starting point for our discussion.
这篇文章成了我们展开讨论的良好起点。