instrumentalny 英語で:

I like instrumental music.

Stanley was instrumental in my getting this job.

"The president has been instrumental in promoting reforms throughout the country."

Schweitzer was instrumental in the rediscovery of the eschatological element in Jesus' preaching

Miller was also instrumental in setting up the Liga Paulista, the first football league in Brazil.

The only metal that a metal detector can detect is the metal in another metal detector. That fact was instrumental in my parents' meeting.