The trouble with these huge superstores is that they don't have enough ..... to deal with customers at busy times. (*) barriers (*) sales points (*) exits (*) checkouts
This is a companion discussion topic for the original entry at https://english.best/questions/3626,the-trouble-with-these-huge-superstores-is-that-they-dont-have-enough-___-to-deal-with-customers-at-busy-times/