interparty       
adjective [ before noun ] (also inter-party) uk/ˌɪn.təˈpɑː.ti/ us/ˌɪn.t̬ɚˈpɑːr.t̬i/
 政党间的
between political parties
  Recent events have badly damaged interparty relations. 最近发生的事件严重破坏了党派之间的关系。 
 We hoped that something new might come out of the interparty talks.
 - More examples
 - As the representatives of the people, we should be above interparty bickering.
 - The Unionists agreed to take part in inter-party talks aimed at political progress.
 - Legislators blame interparty gridlock for inaction.
 - Interparty coalitions are a feature of Alaskan politics.