他们是欧盟内众多自由主义政党之一。

They are one of a group of ___liberal parties in the European Union.

他年轻时是那个自由主义政党的活跃成员。

He was an active member of the ___liberal party in his youth.

自由主义理念主张改革过时的法律并扩大社会福利。

___Liberal ideas advocate for reforming outdated laws and expanding social welfare.