HAVANA, Jan. 2 -- Tatiana González stood transfixed before the glass display case watching a single cellphone spin around and around on a carousel at the government-run store. It was a Nokia 1112, a simple, boxy gray workhorse of mobile telecommunications technology -- and González was in love.
(By William Booth, The Washington Post)
workhorse noun [C]
1 a person who does a lot of work, especially of a type which is necessary but not interesting: 幹重活的人,吃苦耐勞的人
a willing/reliable workhorse
2 a machine which operates without failing for long periods, although it might not be very interesting or exciting: 耐用[堅牢]的車輛[船隻,飛機,機器]
The steam engine was the workhorse of the Industrial Revolution.