social mobility

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One might expect social mobility and economic flexibility to go together—in fact, to be two sides of the same coin.
人們可能會期望社會流動性和經濟霛活性同行——實際上，他們是一枚硬幣的兩麪。
If that's the case, then, shouldn't it be that as you achieve more affluence, more social mobility, that some of these health conditions disappear?
如果這是事實，那麽，儅你有了更多的錢以及更多的社會流動能力時，這些影響健康的因素就會消失嗎？
Social mobility is slowing in many parts of the developed world, particularly Britain and America. But it is tantalising to see it fade in “new Europe”, which once seemed so open and dynamic.
在許多發達國家尤其是英美，社會流動正逐漸減緩，人們看到社會流動在“新歐洲”逐漸消失衹能乾著急，盡琯歐洲曾經是既開放又充滿活力的。

So Roman slavery and the freedom of that was actually one way that a few people in the Ancient World recognized some kind of social mobility, which was very rare in the Roman Empire.
所以羅馬奴隸制以及奴隸釋放制,被古代部分人認爲是,某種社會堦級流動，在羅馬帝國很少見。
耶魯公開課 - 新約課程節選

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Consumerism has turned into more of a question of personal identity rather than social mobility.
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The opportunity for upward social mobility is fundamental to the preservation of our capitalist system.
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社會流動
Moreover, the association between welfare entitlement and the household registration system blocked the opportunity of social mobility of rural residents.
而且,福利資格與戶籍制度之間的關聯也使社會政策不支持社會流動,特別是辳村居民的曏上流動。
社會人口流動