Origin of two-tier
Examples from the Web for two-tier
A two-tier system has been proposed, essentially creating a fast lane and a slow lane.Porn Fights For Your Right to Surf: Pornhub, YouPorn, and Redtube Lead Charge For Net Neutrality|Aurora Snow|September 13, 2014|DAILY BEAST
What this does suggest is that California is headed for two-tier service on the Exchanges.Model Health Insurer Has Some of the Highest Rates on the California Exchanges|Megan McArdle|June 14, 2013|DAILY BEAST
The term “dinner-wagon,” originally a movable table to hold dishes, is now used of a two-tier sideboard.