揭开序幕 lift the curtain on sth
引经据典 cite from a wide range and different ways
上山下乡 Go and Work in the Countryside and Mountain Areas
“揭开序幕” Herald the prelude (prologue) to, herald the beginning of
Harbinger the prelude (prologue) to, harbinger the beginning of
“引经据典” Cite a wide range of sources
“上山下乡” a movement when the Red Guards were sent to the countryside to be the hard labors during China's Cultural Revolution
揭开序幕:opened the party
引经据典:quote copiously from many sources
上山下乡:work in the countryside and in mountainous areas
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