France, Germany, Belgium and Luxembourg all lie within the Schengen Area, a border-free zone that can be visited on a single visa.

法国，德国，比利时和卢森堡同属于申根签证的区域，只要有一张该区域国家的签证，便可自由出入该区域其他国家。

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Germany, Belgium and Luxembourg all lie within the Schengen Area, a border-free zone that can be visited on a single visa.

法国，德国，比利时，卢森堡都属于申跟区，申跟区间只要一纸签证就可以自由出入镜。

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EU keeps working on its goal of internal market without border barriers, the key of which includes the free movement of goods, persons, services and capitals.

欧盟一直致力于建立无国境障碍的内部统一市场，其核心是实现货物流通、人员、服务和资本流动的四大自由。

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And it will help the Border Patrol free up commissioned Border Patrol officers, to get back on the streets, to use a colloquialism.

NPR: Critics Question Using Nat'l Guard Troops at the Border

The European Parliament has suspended talks with the Council on five draft laws in protest at being excluded from decisions on the Schengen area of border-free travel, its president has said.

BBC: EP suspends talks with Council over Schengen fall-out

Most notably, France refuses to scrap checks on its northern border with Belgium and Luxembourg: it objects to soft drugs' free availability in the Netherlands.

ECONOMIST: Those fuzzy frontiers | The