分野

1. Origins, structure, and basic meaning

• Structure: 分野(ぶんや) means a field of study, activity, or interest.
• Basic usage: It is used for an area in which someone gains experience or a subject attracting new interest.

2. Common pitfalls and similar expressions

• で marks the field of activity
  • In 分野で経験を積んでいる, で marks the field in which experience is being gained.
• にも adds an area of interest
  • 未知の分野にも means in unfamiliar fields as well, adding to the range of interests.