This is the 14572nd most frequent Polish word.
przydatne
Useful.
Here, 'przydatne' describes the utility or helpfulness of the tool in daily activities.
To narzędzie jest bardzo przydatne w codziennym życiu.
This tool is very useful in everyday life.
In this sentence, 'przydatna' conveys the advantage or practicality of knowing foreign languages in the context of travel.
Znajomość języków obcych może być przydatna podczas podróży.
Knowledge of foreign languages can be useful when traveling.
Here, 'przydatne' emphasizes the contribution or helpful nature of someone's advice to address a specific issue.