Millet and millet are actually the common millet. When it is used as a staple food on people's tables, the name is chestnut; when it is presented to the court as the fruit of the festival on the altar, the name is millet. At the same time, a crop owns There are two different names. Behind the division of labor of this crop, the division of labor is hidden. At a certain moment in the history of the millet, Xiaomi embarked on two paths. One is the grain called millet and the other is named The sacrifices of sacrifices; people also embarked on two paths, a group of farming people, a group of reading people. The former only works in the folk, the latter is only responsible for the records in the chapel, I do not know the sacred name and the millet on the table It is the same material. When the eyes reading the text no longer pay attention to the fields, and when the hand holding the pen no longer touches the seeds and farm tools, the appearance of the gap is logical. What does this text mean? ['The name dispute between Su Su and Li has a long history.', 'Social class gaps are the source of differences.', 'c. The sacrificial sacrifice used for sacrifice to heaven was artificially sanctified.', 'The division of labor between Su and Xi is actually an accidental result.']