Don't knock on the door

1. How did the three meals a day system come about? Before the Song Dynasty, the common people only ate two meals a day, only four meals for the royal family and three meals for the princes. During the Western Han Dynasty, the holy will to the rebellious and exiled king of Huainan,
One day Three meals a day On Work No longer Don't knock on the door Not far Not far away world For two meals
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