Parisians themselves often use the Batobus (river bus) for traveling east or west and avoiding traffic snarls.
The Batobus is only used by tourists who wish to take in the sights.
mnli hypothesis: The Batobus is only used by tourists who wish to take in the sights. premise: Parisians themselves often use the Batobus (river bus) for traveling east or west and avoiding traffic snarls.