single - party system的用法和樣例：
例句
- They organize the electorate very simply by maintaining the two-party system.
他們通過維持兩黨制，很輕鬆地組織選民。 - Ours is a two-party system, should we ever permit one party to dominate our lives entirely democracy would col1apse and we would have dictatorship.
我們的體制是兩黨制，一旦允許完全由一黨執政，民主即刻土崩瓦解，專政統治取而代之。
