I'm saving up for a trip.

Meaning

I'm accumulating money for a journey.

Examples

• John: What are you doing with your extra money?
• Alice: <b>I'm saving up for a trip</b> to Italy.
• John: Oh, that sounds nice! Where are you going in Italy?
• Alice: Rome and Florence. I need to save for a long time, that's why <b>I'm saving up for a trip</b>.