upwardly mobile

upwardly-mobile的词性：
adj.（形容词）

1. Advancing or likely to advance in economic and social standing:
向上爬的：经济地位或社会地位向上流动的或有向上流动趋势的：

“They had considered her suitor unambitious, not sufficiently upwardly mobile”(Maggie Scarf)
“他们认为她的求婚者没有野心，至少不够有往上爬的野心”(玛吉·斯卡夫)

upwardly-mobile的词性：
n.(used with a pl. verb)（名词）（与复数动词连用）

2. Those regarded as advancing rapidly in economic and social standing. Used with the.
爬升很快的人：那些被以为经济地位或社会地位方面爬得很快的人。和定冠词the 连用