但是，来自专家们的最要的建议是，以吃天然营养的食物为准，然而考虑在可能的地方加入功能食物。

But the best advice, according to experts: stick with foods that are naturally nutritious, and consider adding functional foods where you can.

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它们被要求处理我们吃的食物，从受伤中恢复，以及完成一些其他的身体功能。

They are required to process the food that we eat, to recover from injury and for several other bodily functions.

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但他们说在不对消费者喜欢的味道或盐保存食物的功能上作出让步的情况下，他们只能做到这一步，做得这么快。

But they say they can go only so far, so fast without compromising tastes consumers have come to relish or salt's ability to preserve food.

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