Lǐ Dàzhāo hùsòng Chén Dúxiù líkāi Běijīng shí, nán Chén běi Lǐ zài lùshang shāngliang le jiàndǎng de shì.
As Li Dazhao escorted Chen Duxiu out of Beijing, the two of them talked on the road about founding a party.
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history
陈独秀 worked in Shanghai and 李大钊 in Beijing, and accounts of the founding of the Communist Party of China in 1921 name the pair this way. An older use from the Ming dynasty paired two heads of the imperial academies, 陈敬宗 in Nanjing and 李时勉 in Beijing.