1、In medieval Europe, serfs were bound to the land and were considered the property of their lords.
在中世纪的欧洲，农奴被束缚在土地上，被视为领主的财产。
2、The serfs worked the fields and paid rent to their lord in exchange for protection and the right to live on the land.
农奴劳作于土地之上，并为了得到保护和居住土地的权利而向领主支付租金。