Fully 57% say France should single-handedly erect higher customs barriers.

差不多57%的人主张法国应该单方面提高关税壁垒。

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When customs barriers fall, there will be a blast of new competition from places like Poland.

ECONOMIST: Romania and the European Union

The agreement is designed to boost trade between the two blocs by removing various tariffs and customs barriers.

BBC: MEPs back Latin American trade agreement

There shall be no interior customs barriers between any of the above-mentioned areas.

BBC: Map detailing the Sykes-Picot agreement