整个概念的不健康食品和健康的食物取代很难找到。
The whole concept of replacing unhealthy food with healthy food is very hard to find.
一种不健康的食物仅仅是一个健康的食物相反。
你认为哪种食物是健康的，哪种是不健康的？
Which of the food do you think is healthy and which is unhealthy?
你认为哪种食物是健康的，哪种是不健康的？
Which of the food do you think is healthy and which is unhealthy?
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