EU expansion的用法和樣例：
例句
- The stamp shows a map of the enlarged EU with the old member states colored blue and the new states in yellow.
郵票展示的是歐盟擴張后的地圖，上面的藍色區域是老成員國，黃色區域是新成員國。 - Many people in older EU member countries believe that enlargement has triggered a wholesale exodus of jobs from west to lower-paid east.
許多老成員國的居民認為歐盟擴張導致了大量工作機會(huì )從西部流向工資水平較低的東部地區。
