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来自维基百科,自由的百科全书
由于具有维持为公众传递讯息的重要功能,通常被视为公用事业的一环,也因此世界各地的邮政系统大多为专营或强迫性垄断性质的公营事业。各邮政系统基本上均有快递业务,而快递与物流的性质类似,部分较具规模的邮政机构甚至会跨足经营物流事业。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.