The main topic of conversation was Tom's new girlfriend.

交谈的主要话题是汤姆的新女友。

《牛津词典》

The debate veered away from the main topic of discussion.

争论脱离了讨论的主题。

《牛津词典》

The main topic of conversation was the likely outcome of the election.

谈话的主题是选举可能产生的结果。

《牛津词典》

That is the main topic of what we have to say about de Man today.

这是我们今天要说的关于德曼的主要话题。

耶鲁公开课 - 文学理论导论课程节选

This has been the main topic since the Italian elections a few weeks ago.

FORBES: The Week Ahead: Will Google or Amazon Follow Apple?

So the main topic for Granderson before his debut was how he to protect his right arm.

WSJ: Granderson Makes Season Debut

No can can ignore the fact that the main topic of conversation revolves around apps and more apps everywhere.

FORBES: Written by Steve Jarrett