In this task, you are given a sentence in Spanish and your task is to translate it into English. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).
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Question: Más en concreto, algunos obstáculos vinculados con demasiada frecuencia a la fiscalidad (doble imposición), a la protección social, impiden, frenan o hacen particularmente problemática la movilidad transfronteriza.

Answer: Obstacles too often caused by double taxation and social protection are preventing, braking or hindering cross-border mobility.


Question: Sin embargo, no puedo aceptar que una Institución de la UE intervenga políticamente en la política interna de un Estado miembro.

Answer: However, I cannot accept that an EU body should intervene politically in the internal policy of one Member State.


Question: Ése es el tema.

Answer:
This is the topic.