Imitate the echo of poetry

Be filial to your parents. Maybe a mansion, maybe a brick; Maybe it's a swan on the other side of the ocean, maybe it's a message close at hand; Maybe it's a pure black doctor's hat, maybe it's the red 5 in the exercise book; Maybe it's a table of delicacies, maybe it's wild fruit and mountain flowers; Perhaps it is a colorful and prosperous dress, perhaps it is a pair of clean cloth shoes; Maybe tens of thousands of dollars. Maybe it's a coin with body temperature ...