脂肪的摄入应为总能量摄入的20 ~ 35%，对于婴儿有不同的数值。
Intakes of fats should range between 20 to 35% of the total energy intake, with different values recommended for infants.
美国儿童所摄入的乳制品已经占他们总能量摄入的18%，占总脂肪摄入量的25%，这使得美国肥胖率持续上升。
Dairy products provide 18 percent of the total energy and 25 percent of the total fat intake in the diets of American children, who are developing increasing rates of obesity, it said.
大多数美国人很容易达到这个标准，但要达到占总能量35%的蛋白质摄入量还是极具挑战的。
Most Americans have no problem getting this much, but would struggle to take in enough protein to make up 35% of their calories.
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