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。
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