fact作“事实”解时是可数名词,作“真实情况”解时,是不可数名词。
fact
n.现实;实际情况;(可证实的)事实,真相;真实的事物;真实情况;
复数: facts
The theory seems to have no basis in fact.
这一理论似乎没有事实根据。
The fact is we don't have enough money.
事实是我们没有那么多钱。
The fact is, they're there to make money.
真实的情况是,他们去那儿是为了赚钱。