I am going on a cruise next week.
Cruises are great. Cruise liners can carry thousands of people to sea.
Yes and they are so fun unless someone gets sick.
voyages, compared to dedicated cruise-ships, but few ocean liners remain in existence—note the preserved liners and "Queen Mary 2", which make scheduled North Atlantic voyages.
Although often luxurious, ocean liners had characteristics that made them unsuitable for cruising, such as high fuel-consumption, deep draughts that prevented their entering shallow ports, enclosed weatherproof decks inappropriate for tropical weather, and cabins designed to maximize passenger numbers rather than comfort (such as a high proportion of windowless suites). The gradual evolution of
List of ocean liners
This is a list of ocean liners past and present, which are passenger ships engaged in the transportation of passengers and goods in transoceanic voyages. Ships primarily designed for pleasure cruises are listed at List of cruise ships. Some ships which have been explicitly designed for both line voyages and cruises, or which have been converted from liners to cruise ships, may be listed in both places. Also included are cargo liners designed to carry both cargo and passengers. 
Single name.
The following ships were