Lìjìn cāngsāng zhīhòu, tā zhōngyú zhǎodào le nèixīn de píngjìng.
After going through all the ups and downs, he finally found inner peace.
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history
沧桑 is short for 沧海桑田 (cānghǎi sāngtián), literally 'the sea becomes mulberry fields.' It comes from a Daoist legend about a fairy who witnessed the sea turn into farmland three times, symbolizing the vast changes of time.