Definition
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効果
kouka
ある物事がもたらす結果や影響のこと。
The result or influence brought about by something.
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この薬は風邪に対して効果があります。
kono kusuri wa kaze ni taishite kouka ga arimasu.
This medicine is effective against colds.
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運動はストレスを減らす効果があります。
undou wa sutoresu o herasu kouka ga arimasu.
Exercise has the effect of reducing stress.
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この広告は商品の売上に良い効果をもたらしました。
kono koukoku wa shouhin no uriage ni yoi kouka o motarashimashita.
This advertisement had a positive effect on the product's sales.