Fact can be divided into primary fact, indirect fact and auxiliary fact.

事实有主要事实、间接事实和辅助事实之分。

youdao

In fact, it isn't even their primary tool.

事实上，这还不是他们的主要工具。

youdao

Sadness is our primary association with crying, but the fact is that people report feeling happier after crying.

悲伤是我们哭泣的主要原因，但事实上，人们流泪后会感觉更快乐。

youdao

For me the absolutely shocking fact of this simile ] is that its primary purpose is merely to describe the number of angels who are prostrate on the burning lake of hell.

为了他们悲惨的境遇黯然神伤,对我来说，这个比喻令人震惊的事实,是它最初的目的只不过,是为了描述葬身于地狱火海的天使的数量之多。

耶鲁公开课 - 弥尔顿课程节选

And Hillary Clinton, while an impressive person, certainly has a significant number of flaws, which is why you've seen - even in their own primary - the fact that they've taken a second look.

NPR: Political Directors Weigh What's Next

That the general public shares the sensibilities exhibited by Likud primary voters is made clear by the fact that Likud's standing in the polls has not significantly diminished since the primary.

CENTERFORSECURITYPOLICY: Netanyahu's grand coalition

DC, mayoral primary is campaigning on the fact that he is not a lawyer.

ECONOMIST: The worrying zeal of Ken Starr | The