因此，把握帝王称号的演变，也是了解上古社会的一把钥匙。

Grasping the evolution of emperor title is a key to understanding the society of ancient times.

youdao

因此，把握帝王称号的演变，也是了解上古社会的一把钥匙。

Grasping the evolution of emperor title is a key to understanding the society of ancient times.

youdao