Older people should not be treated as second-class citizens.

不应把老年人当二等公民对待。

《牛津词典》

One obvious change makes people feel good about themselves: they no longer treat women as second-class citizens.

其中的一个显著变化是喜人的，那就是人们不再把女性看作是二等公民。

youdao

We will not see significant progress as long as women are regarded as second-class citizens in so many parts of the world.

只要世界许多地方仍将妇女视为二等公民，我们就不会取得重大进展。

youdao

Supporters of the code, more than a decade in the making, praised it as enhancing the rights of women and girls, who they say have been traditionally viewed as second-class citizens.

VOA: standard.2009.08.27

Nearly two-thirds think they are treated as second-class citizens and three-quarters feel disadvantaged compared with Wessis.

ECONOMIST: But eastern and western Germany may never quite meet

It is the mainframe computer that has turned software companies into second-class citizens in Japan.

ECONOMIST: Software in Japan

"Probably we'll end up with first- and second-class citizens of ASEAN, " says Razak.

CNN: AND THEN THERE WERE TEN