Questions & Answers about Rezerva je za neočekivan trošak.
Je is the 3rd person singular present tense of biti (to be).
So:
- Rezerva = reserve / backup / contingency
- je = is
- za neočekivan trošak = for an unexpected expense
Together, the sentence literally works like The reserve is for an unexpected expense.
Here, rezerva means something like a reserve, backup, or contingency fund/resource.
Depending on context, rezerva can also mean:
- a spare item
- a reserve player
- a backup supply
- money kept aside for emergencies
In this sentence, it most naturally suggests something set aside in case it is needed, especially money or resources.
Za often means for.
In this sentence, it shows purpose or intended use:
- Rezerva je za neočekivan trošak.
- The reserve is for an unexpected expense.
So za answers the question for what?