Zhè chǎng fǎnfǔ yùndòng qǐdào le jīzhuó-yángqīng de zuòyòng.
This anti-corruption campaign played a role in driving out vice and promoting virtue.
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From 《尸子·君治》 (pre-Qin): 扬清激浊，荡去滓秽，义也 - 'to lift the clear and stir up the muddy, washing away the dregs, is righteousness.' The metaphor takes filtration as the model for moral and political reform.
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Strongly formal, common in editorials and Party discourse about anti-corruption, journalism, and moral leadership. Avoid in casual speech.
