upward mobility 向上流动 ; 向上流动性 ; 趋上流动
upward mobility detail 上升流动性
Optimistic upward mobility 乐观上进
the increasing upward mobility 不断增强的上进心
upward social mobility 向上社会流动
N the movement of an individual, social group, or class to a position of increased status or power (个人、社会群体、阶层)向更高层社会的流动 [sociol] → compare downward mobility
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