日本不仅轻易拥有长达2600年的世界上最古老的君主政体，并以一个从未间断的男系血统而倍感自豪，尽管八名女性一度作为女天皇。

Not only, at 2,600 years, is Japan's easily the world's oldest monarchy, but it also boasts an unbroken male lineage (though eight women have over time stood in as caretaker empresses).

youdao

日本不仅轻易拥有长达2600年的世界上最古老的君主政体，并以一个从未间断的男系血统而倍感自豪，尽管八名女性一度作为女天皇。

Not only, at 2, 600 years, is Japan's easily the world's oldest monarchy, but it also boasts an unbroken male lineage (though eight women have over time stood in as caretaker empresses).

youdao

The concept of the regime is perhaps the oldest and most fundamental of political ideas.

政体的概念或许是,最古老与最基础的政治概念。

耶鲁公开课 - 政治哲学导论课程节选