Original: The river also has the second-largest flow in the world , behind the Amazon ; the second-largest drainage basin of any river , again trailing the Amazon ; and is the deepest river in the world , at depths greater than 750 feet .
Simplified: The river also has the second-largest flow in the world , behind the Amazon , and the second-largest watershed of any river , again trailing the Amazon ; its watershed is a little larger than that of the Mississippi River .