封建制是一种古老的社会制度。

Feudalism is an ancient social system.

封建制度在中世纪欧洲非常普遍。

Feudalism was very common in medieval Europe.

封建制度最终被现代国家所取代。

Feudalism was eventually replaced by modern states.

封建制在现代社会中已经不再存在。

Feudalism no longer exists in modern society.

封建制度涉及领主和附庸的等级制度。

Feudalism involved a hierarchy of lords and vassals.

封建制下，农民必须向领主缴纳租金。

Under feudalism, peasants had to pay rent to their lords.

在中世纪，欧洲大部分地区都实行封建制。

In the Middle Ages, most of Europe practiced feudalism.

封建制度是中世纪欧洲的主要社会制度。

Feudalism was a dominant social system in medieval Europe.

在一些农村地区仍能看到封建制度的遗迹。

The remnants of feudalism can still be seen in some rural areas.

许多历史学家研究封建制度以了解中世纪社会。

Many historians study feudalism to understand medieval society.