求翻译：快餐虽然方便，便宜，但是它是不健康的，含有许多有害物质，对人的身体有很大的伤害。但传统食物并不是完全健康的，快餐只能偶尔吃吃，不可以常吃，相比较而言，传统食物还是应该被认可的是什么意思？

Fast food is convenient, cheap, but it is unhealthy, contains many harmful substances, the human body has a lot of damage. However, traditional food is not completely healthy, eat fast food only occasionally, can not eat, comparatively speaking, traditional food, or should be recognized

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Although fast-food convenient, cheap, but its ill health, does not include many deleterious substances, has the very big injury to human's body.But traditional food is not completely healthy, the fast-food only can occasionally eat, may not often eat, compares says, traditional food should approve

Fast food is convenient, cheap, but it is not healthy, contains many hazardous substances, on the human body has a lot of harm. Traditional foods are not entirely healthy, fast-food only occasionally eat, not eat, by contrast, the traditional foods they should be recognized