substantial contribution 意味

• 多大な貢献
  

例文

1. in the inner palace of edo castle called o-oku , she made a substantial contribution as a close adviser of princess kazunomiya , in cooperation with tsuneko hashimoto (kangyoin ), who was the real mother of the princess .
   江戸城大奥では和宮の生母・橋本経子（観行院）と供に和宮の側近として大いに貢献した。