minority_interest

opera is a minority interest even among those who do attend arts events on a regular basis

オペラは、定期的に芸術イベントに参加する人の中でも少数派の興味です。

the firm paid £7 million to acquire a business in which it had a minority interest

その会社は少数株式を持つ企業を700万ポンドで買収した。