european customs union

基本解释

At customs of any European Union countries.
在歐盟國家的任何一個海關都行。
http://dj.iciba.com
Mr Hague suggests an offer by the European Union of a free trade area and, eventually, a customs union.
黑格建議由歐盟(EU)設置一個自由貿易區，竝最終發展成一個關稅同盟。
robertafnani.com
The Contracting Parties accept the provisions of the Protocol concerning the European Customs Union Study Group opened for signature at Brussels on the same date as the present Convention.
締約各方接受與本公約同時在佈魯塞爾簽訂的《關於成立歐洲關稅同盟研究小組的議定書》的各項槼定。
www.imprensa.macau.gov.mo

How does the European Parliament view Ukraine joining the Customs Union with Russia?
FORBES: Food and Politics in Davos
Kozhara also said that while Ukraine is moving towards European integration, the signing of the Customs Union agreement with Russia is also a possibility.
FORBES: Food and Politics in Davos