What does business class mean?

[ullu]

English Language Tests, Intermediate level

ESL/EFL Test #179 "Doing business: expressions with the word business", question 3

......... passengers have a lavatory reserved for their exclusive use.

(a) Business hours
(b) Business park
(c) Business class
(d) Business card

English Language Tests, Intermediate level

ESL/EFL Test #179 "Doing business: expressions with the word business", answer 3

Business class passengers have a lavatory reserved for their exclusive use.

Correct answer: (c) Business class

Your answer was: correct
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I didn`t understand this sentence. Could you please explain me???

ullu

[Mister Micawber]

.
It is talking about airplane passengers. The business class section has a toilet just for those passengers.
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Native English teacher at Mister Micawber's