- (a) contribution
貢献する contribute ((to));make a contribution ((to))
- 彼は医学界に大いに貢献した
- He 「rendered great service [made a great contribution/contributed much] to the medical profession.
- 彼は村における福祉の推進にいささか貢献した
- He has 「contributed his share to [done his part in] the promotion of welfare in this village.