差异化服务的英文翻译是（ ）

差异化服务的英文翻译是（ ）
A、​violence against medical staff
B、non-native
C、migrant population
D、differentiated services
【正确答案】：D
【题目解析】：差异化服务的英文翻译是 differentiated services流动人口 migrant population 外地人 non-native 医暴 violence against medical staff