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》

Too many airlines treat our children as second-class citizens.

太多航空公司把我们的孩子当作二等公民对待。

《柯林斯英汉双解大词典》

Women are second-class citizens.

女人是二等公民；

youdao

"We've been together four years and it's wonderful that we're no longer completely second class citizens.

VOA: standard.2010.03.03

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