One factor contributing to the two-party system in the United States is the single-member district system of electing Representatives.

导致美国两党制的一个原因是，每个国会议员选区只能选出一名代表。

youdao

The worst mistake an administrator can make is to put all of a server's resources—operating system, third-party applications, paging space, and application data—within a single volume group.

管理员可能犯的最严重错误就是把服务器的所有资源如操作系统、第三方应用程序、页面空间以及应用程序数据等均置于单个卷组中。

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Syria has long had a single-party system led by the Ba'ath party of the Assad family.

VOA: special.2011.08.06

In short, stable majorities are harder to establish (a coalition even runs Britain, where the first-past-the-post system is designed for single-party government).

ECONOMIST: Charlemagne

He must also avoid giving the impression that he has given up too easily his own party's dream of an ultra-proportional system of single transferable votes.

ECONOMIST: The Jenkins recipe

It could be a big boost to the Pirate Party elsewhere, particularly in countries with proportional representation rather than a single-member, district-based system which favors larger parties.

FORBES: Cutlasses Between Their Teeth, Three Pirate MPs Board Iceland's Parliament