the lower classes
noun🔊/ðə ˌləʊə ˈklɑːsɪz/
🔊/ðə ˌləʊər ˈklæsɪz/
[plural] (also the lower class [singular])
the groups of people who are considered to have the lowest social status and who have less money and/or power than other people in society 下层社会；社会地位低下的阶层