In the late 1920s, some revolutionary writers began to promote proletarian literature.
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usage
Short for 普罗列塔利亚, an early transliteration of "proletariat". Today it lives on mostly in 普罗大众 "the general public". The same two syllables render "Pro-" in foreign names: 普罗旺斯 "Provence", 普罗米修斯 "Prometheus".