The sweet potato is rich in nutrients and high in vitamins that aid digestion and can help prevent cancerofthecolon.
地瓜含高纤维,还有很多丰富的营养成分,纤维能帮助肠胃蠕动,预防大肠癌。
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Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent ofcancer is related to the diet as well, especially cancerofthecolon.