"下乡知青" 英文怎么译？

中国文革时的“下乡知青”，英文怎么说呢? 讲到习近平的背景时, 报上这样说:
Xi went to work in the poor northwest Chinese countryside as a "sent-down youth" during the chaos of the Cultural Revolution.

下乡知青 - sent-down youth. 真简单!