This is the 8330th most frequent Japanese word.
役立っ
"役立っ" means "to be useful" or "to be helpful."
The word '役立っ' is used here to express that the tool contributes significantly to the efficiency or outcomes of work.
そのツールは仕事に非常に役立っています。
This tool is very useful for work.
In this sentence, '役立っ' is utilized to convey that his advice provided valuable assistance or contributed to decision-making.
彼のアドバイスは私の決断に役立った。
His advice helped me in making my decision.
Here, '役立っ' is used to discuss the potential utility or helpfulness of the information in future scenarios.