middle and low income groups

基本解释

The price is lower, and the present invention is warmly welcomed among the middle and the low income groups.
價位更爲低廉，能深得廣大中、低收入者的熱烈歡迎。
ip.com
It has played an important role in resolving the housing problems of the middle and low-income groups in city and cap rising housing prices interiorly.
保障性住房對於儅前解決中低收入群躰的居住需求、抑制我國過快上漲的房價發揮了重要的作用。
d.wanfangdata.com.cn
Latin American countries report high levels of “life satisfaction” among both middle- and low-income groups.
根據該報告，拉丁美洲國家的中低收入人群“對生活的滿意度”相對較高。