Feudal estates held from a lord in return for service

• Tracts of land granted to vassals under homage and fealty

以对上级效忠与服役为条件所持有的封地

• 授予附庸、需尽军役与效忠的土地

Areas of exclusive control within an organization or bureaucracy

• Personal domains where someone guards authority or resources

在机构或官僚体系中个人把持的权力地盘

• 某人独占控制的职责范围或资源领域

Plural of fief

fief 的复数形式