"Qin" homophones "Qing", celebrating the birth of father and son on the same day of the lunar calendar.
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"Cai" is homophonic, considering that the baby's mother's surname is integrated into the child's name, "Ze" is exactly what the five elements lack.
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The word "spring" has a pair of meanings, which means having two birthdays on the same day.
Zhou Zhou Zhou Youzhou Zhou Yongbin