And nature did its part by supplying all naturally occurring foodstuffs with either fat or carbohydrate as the energy source, not both. Even fatty fruits – coconut, olives, avocados – are low in carbohydrate.
大自然很负责人，所有天然食物要么以脂肪，要么以碳水化合物为能量源，而不会两者兼具。即使是脂肪水果——椰子、橄榄、鳄梨等——碳水化合物的含量也十分低。