láoyìdìzū / shì / gǔdài / de / yīzhǒng / zūdiànzhìdù / nóngmín / xū / wèi / dìzhǔ / wúcháng / láodòng劳役地租是古代的一种租佃制度,农民须为地主无偿劳动。Labor rent was an ancient tenancy system in which peasants had to work for the landlord without pay.