To save up something (or save something up) is to keep money so that you have enough to buy something in the future.
Examples of use:
1. We are saving up for a house.
2. You will have to save up if you want to buy that expensive car.
3. He saved up for a year for a new motorbike.
4. She saved her allowance up to buy a ticket to see her favourite band.
||save up and saves up|
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