the mere fact that ...
…という単なる事実
The simple truth [fact] is that .... =In simple truth [fact], ....
紛れもない事実は[実のところ]…
There is no doubt but (that) he won.
彼が勝ったのは疑いようのない事実だ
There is no escaping [You can't escape] the fact that ...
…ということはまぎれもない事実だ
They could not swim and had to be rescued.
泳げなかったので救助しなければならなかった(◆過去の事実)
This book helped me (to) see the truth.
この本は事実を知る上で役立った
This does not alter the fact that...
だからといって…の事実は変わらない
This position was supported by the facts.
この立場は事実の裏付けがあった
This rumor is without foundation.=This rumor has no foundation (in fact).
このうわさは事実無根だ
to [((米))for] all intents (and purposes)
どの点からみても,実際は,事実上