Do without
Definition 1 of 2

Survival Context
Used when something is necessary for survival but you must go without it.

We'll have to do without heat tonight since the furnace broke.
Temporary Situation
Often implies a short-term situation where you're making an exception.

I can do without my phone during the camping trip.
Willing Sacrifice
Suggests a choice to give up something willingly, often for a larger benefit.

To save for our vacation, we'll do without dining out for a month.
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