i call upon the exchange of knowledge in regional clusters be promoted through the structural since these clusters represent a great opportunity particularly for disadvantaged regions
I call upon the exchange of knowledge in regional 'clusters' to be promoted through the structural funds, since these 'clusters' represent a great opportunity, particularly for disadvantaged regions.
I call upon the exchange of knowledge in regional 'clusters' be promoted through the structural since these 'clusters' represent a great opportunity, particularly for disadvantaged regions.