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N2
よういん (yōin)
要因

primary factor, main cause, determinant

💡 Nuance & Usage: Similar to 要素, but often implies a cause or a contributing factor that leads to a specific outcome or phenomenon. Usually used for things that cause or influence something.

📝 Example Sentences

事故の主な要因は、運転手の不注意だった。
The main cause of the accident was the driver's carelessness.

Practice Quiz

Test your understanding of "要因"!

ストレスは、健康を害する様々な_______の一つだ。
🎉 正解 / Correct!
日本語: 健康を害する「要因」として、ストレスが挙げられています。原因となるものです。
English: Stress is listed as one of the 'yōin' (factors/causes) that harm health. It's something that acts as a cause.
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