Augus: Where are you off to in such a hurry ?
Martin: I'm just off to the movie theater to see the latest Nicole Kidman movie.
Augus: I've seen it, it's really good. Have you got a ticket ?
Martin: No, I'll buy one at the box office.
Augus: You could have saved yourself a lot of time by buying it on the internet.
Martin: I didn't know you could do that. You must show me how to do it.
Off - away from a place or position, especially the present place or position