The party tries to appeal to allclassesof society.
这个政党尽力吸引社会各阶层人士。
《牛津词典》
2
I've mixed among allclassesof people.
我与各阶层的人都有过交往。
3
For allclassesof antidepressants, patients must take regular doses for at least three to four weeks before they are likely to experience a full therapeutic effect.