这幅画用简单的线条和原色展现了原始主义风格。

The painting's simple lines and primary colors demonstrate a clear ___primitivism style.

他对城市生活的厌倦反映了他对原始主义的向往，认为简单的部落生活更真实。

His weariness with urban life reflects his ___primitivism, believing tribal simplicity was more authentic.