upward-mobility上进心
upward social mobility向上社会流动
Optimistic upward mobility乐观上进
upward mobility detail上升流动性
At present, social members' mobility is happening with increasing frequency and the desire of upward mobility is becoming stronger and stronger.
社会成员的流动频率逐步加快,向上流动的意愿日趋强烈。
参考来源 - 现阶段中国城市居民社会流动对政治稳定的影响及对策研究N（名词） 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