Authors:

People apply for a job, are asked to work for three or four weeks on probation and are then told to go and are replaced by colleagues. There are shops even in the West End [of London] using large numbers of totally unpaid staff on a permanent basis.

"Column 856". Daily Hansard - Debate, publications.parliament.uk. March 19, 2013.
People apply for a job, are asked to work for three or four weeks on probation and are then told to go and are replaced by colleagues. There are shops even in the West End [of London] using large numbers of totally