instruction:
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).
question:
Y más aún hoy, cuando Europa debe dotarse de una nueva política de derechos de autor y afines, urge -lo acaban de subrayar en varias oportunidades- definir y volver a definir lo que es un autor.
answer:
In addition, at a time when Europe faces the task of defining a new policy on copyright and neighbouring rights, there is an urgent need - as has just been pointed out several times - to define and redefine what exactly an author is.


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:
Eso es, exactamente. Estamos totalmente de acuerdo.
answer:

Quite, we agree absolutely.