She always referred to them as 'the shifting population'

她称这些佣人叫“流动人口”

youdao

Every large city has its shifting population of vagrants.

每一个大城市都有其人口转移的流浪汉。

youdao

Although the exotic shifting population have made a contribution to the construction and prosperity of Shanghai, they've brought about a negative effect on the peace order.

外来流动人口对上海的建设和繁荣作出了贡献，但也对社会治安秩序带来了负面影响。

youdao

Shifting population subsets are real, but the GOP has never excluded minorities, nor do Republican voters prefer white men.

FORBES: Forget What The Media Say, Republicans And Minorities Are Made For Each Other

Only time will tell if a market will exist for their homes when they are ready to sell however the income constraints and lifestyle demands of a shifting population may dictate a very different future.

FORBES: Dirt Poor Echo Boomers May Find Cheap Cribs In Burbs, Shun Urban Living

With the online population shifting towards mobile devices, Facebook needs to have a strong presence that they can monetize and control, with unfettered access to the user that cannot be taken away or restricted by another company.

FORBES: Why Facebook's Future Is In Mobile