Class struggle is common in history.

阶级斗争在历史上很常见。

Marxism emphasizes the importance of class struggle.

马克思主义强调阶级斗争的重要性。

Marxism emphasizes the role of class struggle in societal development.

马克思主义强调阶级斗争在社会发展中的作用。

The professor is a Marxist and often discusses class struggle.

这位教授是一个马克思主义者，经常讨论阶级斗争。

In final analysis, national struggle is a matter of class struggle.

官族奋斗，说到顶，是一个阶段斗让。