On holiday,
on a journey,
on a tour (op vakantie, op reis...)
In cash (met contant), by credit card (met pasje)
In writing (op schrift), In pencil (met potlood)
On TV, on the internet/social media (op tv, social media)
For sale, on the market (te koop)
On the whole, in general (in het algemeen)
In advance (vooraf), up to date (recent), out of date (verouderd)