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。
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。