Complex sentence: As opposed to single and multi-platform systems, ProZorro's hybrid model permits collaboration between the central database and the commercial marketplaces that allows for the efficient transmission of information from central databases to tthe marketplaces that are responsible for attracting and serving clients.
Split into simpler sentences: As opposed to single and multi-platform systems, ProZorro's hybrid model permits collaboration between the central database and the commercial marketplaces. This architecture allows efficient transmission of information from central database to the marketplaces, which are responsible for attracting and serving clients.