Nutrients in food include protein, sugar, fat, water, inorganic salts and vitamins. In Xiaofeng's diet, rice is rich in starch, peppers contain vitamins, and meat contains protein and fat. This shows that it is reasonable.
(Simplification: The diet contains fat, protein, vitamins and starch. )
(I don't know if it's right ... ╮ (▽) ╭)