目前的日不落“帝国”：美国(Current ‘empire’ the sun never sets: USA)

Current powerful ‘empire’ the sun never sets: The United State of America （USA）
目前世界上最强大的日不落“帝国”：美利坚合众国（美国）

The rise, expansion, prosperity of the United State of America (USA).
In real term, why the USA cannot be called the empire? It is not like the British Empire who has many colonies, why we still call it ‘the empire the sun never sets’?
Do you know how many military bases the USA has in the world?
Why some people believe that the USA is declining now?
Do you know which countries are the key competitors for the USA?
The argument for the current status of The USA: is it in prosperity or declining?
美利坚合众国(USA)的崛起、扩张、鼎盛时期。
实际上，为什么美国不能被称为帝国?
不像大英帝国有很多殖民地，为什么我们还叫美国为“日不落帝国”?
你知道美国在世界上有多少军事基地吗?
为什么有些人认为美国正在衰落?
你知道哪些国家是美国的主要竞争对手吗?
对美国当前地位的争论: 美国现在是鼎盛时期，还是开始衰落？

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