第4 章人类活动对神农架地区生态系统多样性影响的研究

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Read food nutrition labels. Pick healthy foods that provide nutrients like vitamins, minerals, and dietary fiber but limit sodium, added sugars, saturated fat and trans fat.
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“ Just as there is no loss of basic energy in the universe, so no thought or action is without its effects, present or ultimate, seen or unseen, felt or unfelt. ” ― Norman Cousins
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