What kind of prandial structure has profit most to the body? 怎樣的膳食結構對身體最有好處？
Pork is an important part of human prand, so the structure of the human meal is greatly influenced by the improvement of the output and quality of pork. 豬肉是人類膳食的重要組成部分，提高豬肉的產量和質量，對改善人們膳食結構的影響重大。
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