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Why do you sometimes ask Baidu questions by SMS, but Baidu doesn't reply?

Hello!

Baidu stipulates that in order to ensure the quality of answers, the system makes certain restrictions. After a certain screening, the system will send the answer to the questioner.

This situation is related to the grade and the number of words answered. These answers must be answered within 24 hours after the question is asked, and even if they meet the requirements after 24 hours, they will not be sent to the questioner.