fact是可数名词.
fact:n.现实;实际情况;(可证实的)事实,真相;真实的事物;
例如:many facts proved that I am right
Your theory does not square with the facts.
你的理论与事实不符。
Face facts ─ she isn't coming back.
面对现实吧——她不会回来了。
It's about time you learnt to face facts.
现在该是你学会正视事实的时候了。