要因

よういん

main cause, primary factor

JLPT N1

Details

Part of Speech:
Noun, Noun which may take the genitive case particle 'no'
Romaji:
youin

Example Sentences

天候の悪さが要因で、今日は外出を控えることにした。

The bad weather is the main cause, so I decided to stay indoors today.

この商品の不良品率が高いのも要因の一つである。

This is also one of the main causes of the high defective rate of this product.