The size of the operation is immense-- USPS handles 41 percent of the world's mail volume , more than the next six nations combined.
USPS does not handle mail in any aspect of their business.
mnli hypothesis: USPS does not handle mail in any aspect of their business. premise: The size of the operation is immense-- USPS handles 41 percent of the world's mail volume , more than the next six nations combined.