投資

1. Origins, structure, and basic meaning

• Structure: 投資 (とうし) is a noun that also forms a する verb for committing money or resources in expectation of future results.
• Basic usage: It identifies a target, such as a company, or a purpose, such as replacing aging equipment.
  • 授業で架空の会社への投資計画を作りました。 — In class, we made an investment plan for a fictional company.
  • 工房は古い設備を更新するための投資を検討しています。 — The workshop is considering an investment to replace its aging equipment.

2. Common pitfalls and similar expressions

• Target and purpose of investment
  • The target can appear as 会社への投資, while a purpose can appear as 更新するための投資. Unlike an ordinary expense, the context includes an expected future result.