She believed in the fixity of the class system.

她坚信阶级制度恒定不变。

《柯林斯英汉双解大词典》

This country doesn't have the class system of England.

我们国家没有英国的等级系统。

youdao

Tied in with the objectives system is the class system.

“目标”系统关联着“职业”系统。

youdao

President Obama said the current system has led the country to a breaking point, imposing hardships on middle-class Americans who struggle to pay for health care, who are unable to obtain it.

VOA: standard.2009.09.10

Because it challenged the whole class system, that people are born into a certain place and cannot-- and should not-- be moved.

因为它挑战了整个阶级体系，人生来就有阶级，不能-,也不应该被改变。

哈佛公开课 - 幸福课课程节选

Under-nutrition--now I'm going -this slide has a lot of information on it and I'm going to come back to it in the class where we talk about hunger, but I show it today because of course undernutrition can affect every single system of the body and can have devastating consequences on people's health.

营养不良,这张幻灯片上有很多关于营养不良的信息,以后讲到饥饿的时候,我会再回头来讲这张幻灯片,我今天让大家看是想告诉大家,营养不良一定会影响身体的每一个系统,并对人们的健康造成巨大的破坏

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's been clear since the 1970s that the class system was becoming more inflexible.

BBC: Class calculator: A US view of the class system

On the soldier side, deepening the class system and customization became important.

CNN: Two games in one in 'XCOM: Enemy Unknown'

In Britain we call this the class system at work.

BBC: Class calculator: A US view of the class system