At its best, the European project is remarkably liberal: built around a single market of 27 rich and poor countries, its internal borders are far more open to goods, capital and labour than any comparable trading area.
在最好的情况下，欧洲项目表现出显著的自由主义特征：它围绕着一个由27个富国和穷国组成的单一市场，其内部边界对商品、资本和劳动力的开放程度远高于任何其他类似的贸易区域。
Some powers do belong exclusively to the federal government, and control of citizenship and the borders is among them.
一些权力是联邦政府独有的，对公民身份和边境的控制就是其中之一。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。