Other states have closed primaries, meaning you have to join the party in order to vote.

其他州是封闭式初选，这意味着你必须加入党派才能投票。

Other states have closed primaries, meaning you have to join the party in order to vote, and some states like California are experimenting with completely non-partisan primaries although not at the presidential level.

其他州的初选则不对外开放，意味着是你必须加入党派才能参与投票。有些州，例如加利福尼亚，正在尝试无党派初选，尽管那不是总统级别的选举。