Comment by al_borland

10 hours ago

I suppose you could say, “they are both doctors” or “they are all doctors.”

Those sound fine to me, depending on context.

And there we get to the word both or all, where interestingly Mandarin has an (over)insistence on using it, even in places, where it seems unnecessary.

Yes, but then it may sound as if "both/all" is being highlighted which it isn't in the neutral "they are doctors" statement