In fact, I'm reasonably sure we have almost never crossed paths. But that's mainly because I'm the conscience of the justice system, which, as far as you're concerned, makes me nearly a perfect stranger.
What does it mean mainly because?
Top answer
It is not an idiom. It means 'primarily for the reason that'.
— Mister Micawber
It is not an idiom.
It means 'primarily for the reason that'.
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