因果

1. Origins, structure, and basic meaning

• Structure: 因果, read いんが, refers to the relationship between a cause and its effect.
• Basic usage: In 設備の故障と事故との因果関係を明らかにするには詳しい調査が必要だ。, a detailed investigation is needed to establish a causal link between equipment failure and an accident.

2. Common pitfalls and similar expressions

• Establishing a causal link
  • 因果関係を明らかにする means establishing what brought about what, beyond noticing an apparent association. The story example likewise focuses on how past choices lead to present events.