transfronterera

In a sentence

• La col·laboració transfronterera entre països millora l'economia regional.

  Cross-border collaboration between countries improves the regional economy.

  Here, 'transfronterera' is used as an adjective to describe 'col·laboració', indicating that the collaboration occurs between territories beyond a national border.

• El comerç transfronterer es fa especialment intens durant certes èpoques de l'any.

  Cross-border trade becomes particularly intense during certain times of the year.

  In this sentence, the word 'transfronterer' qualifies 'comerç', showing that the trade involves transactions that cross a boundary between countries.

• Les qüestions de seguretat transfronterera són discutides a les reunions internacionals.

  Cross-border security issues are discussed at international meetings.

  Here, 'transfronterera' modifies 'seguretat', and it means that the security concerns pertain to areas or activities across neighboring countries.