S1. Increasingly, over the past ten years, people--especially young people--have become aware of the need to change their eating habits because much of the food they eat, particularly processed foods, is not good for heath.

【参考答案】

过去的十年间，人们——特别是青年人——逐渐意识到需要改变其饮食习惯，因为他们吃的许多食品尤其是精制食品不利于健康。[翻译......

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