実益

1. Origins, structure, and basic meaning

• Structure: 実益 is read as じつえき and means “practical benefit”.
• Basic usage: It denotes a course combining enjoyment with practical benefit and a plan useful to the community.

2. Common pitfalls and similar expressions

• Key distinction: 趣味と実益を兼ねる
  • It focuses on tangible benefit rather than abstract merit and commonly appears in 趣味と実益を兼ねる.