It's like empty calories for the mind.
就像给头脑提供单纯的热量。
They can not only give you empty calories, but will dehydrate you.
他们不仅可以给你空热量，但会脱水你。
This makes them a great example of a food that provides only empty calories.
这使得它们成为了一种只提供热量的食物的很好例子。
Sugar is empty calories, in it's basic form it contains little nutritional value.
糖只是纯粹的卡路里，在基本形式中它包含很少的营养价值。
Sugar is empty calories, in it's basic form it contains little nutritional value.
糖只是纯粹的卡路里，在基本形式中它包含很少的营养价值。
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