translation.en: And the problem is that it’s based on this half-truth, which is that Americans eat too many simple carbs, so if you eat fewer simple carbs you’re going to lose weight.
translation.zh: 该减肥法的问题在于只考虑了一半事实， 即美国人吃了太多的单一碳水化合物， 所以如果你少吃一些单一碳水化合物，你就可以减肥。