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qualitative difference; disparity; gap
所得格差の拡大が社会問題となっている。
The widening income disparity has become a social issue.
地域間の教育格差を解消する取り組みが進む。
Efforts to eliminate educational disparities between regions are progressing.
世代間の情報格差はデジタル化で広がった。
The information gap between generations has widened due to digitalization.