やくだ役立yakudaつtsuやく役yakuだつdatsu
1.
To possess qualities or functionalities that contribute positively to a situation or need, making it advantageous or beneficial in a given context.
2.
To provide practical assistance or support, fulfilling a specific requirement or goal effectively.
3.
To be of significance or value in promoting progress or achieving desired results in various circumstances.
Example:
英語は商業において役立つ。