yán jiū / zhè cì / wén huà gé mìng / shí / xué zhě men / xū yào / tóng shí / cān kǎo / guān fāng dàng àn / hé / mín jiān huí yì

研究这次文化革命时，学者们需要同时参考官方档案和民间回忆。

When studying this cultural revolution, scholars need to consult both official archives and personal recollections.