二に大だい政せい党とう

noun

two major parties; two largest parties

Refers to the two dominant political parties in a system, often used in contexts like 二大政党制 (two-party system).

• アメリカは事じ実じつ上じょう、二に大だい政せい党とうによって政せい治じが動うごいている。

  In the United States, politics is effectively driven by the two major parties.

• 二に大だい政せい党とうの政せい策さくの違ちがいが選せん挙きょの焦しょう点てんになった。

  The policy differences between the two major parties became the focus of the election.