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 labor than any comparable trading area.

它现在处于最佳状态，欧洲的项目工程非常自由：（它是）围绕由 27 个贫国和富国组成的单一市场而建立的，较之任何类似的贸易区，它的内部边界对于商品、资本和劳动力更为开放。