risk reduction的用法和樣例：
例句
- Owning a cat can reduce the risk of heart attacks and strokes by more than a third, researchers have found.
研究人員發(fā)現，養貓能使患心臟病和中風(fēng)的風(fēng)險降低三分之一以上。 - The participants' responses to dietary questionnaires showed that as intake of arious foods went up, the risk of lier cancer went down.
受試者回答飲食問(wèn)卷，結果顯示隨著(zhù)飲食的多樣化程度提高，肝癌的發(fā)病風(fēng)險降低。
