与碳水化合物和脂肪相比，蛋白质最大的好处之一就是使你有更长久的饱足感。
One of the great benefits of protein is that it generally makes you feel satisfied longer than carbohydrates and fats.
这只有在植物中才能找到的纤维有助减肥，因为它能够使人饱足。
Fiber, which is found only in plants, helps people to lose weight because of its ability to satiate.
不过，这也并非全都是有好处的，脑中有一类酶，它们会降解使人感到饱足的激素。
It's not always so helpful, however. A variation of the enzyme in the brain degrades a hormone that makes people feel satiated after a meal.
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