瑞士是一个采用联邦制与邦联制相结合的国家，各州保留高度自治权。

Switzerland combines federal and ___confederal systems, with cantons retaining high autonomy.

欧盟最初是一个松散的国家联盟，各成员国保留大部分主权。

The EU began as a ___confederal union where member states retained most sovereign powers.