Although they don't have a vast vocabulary, it's evident that they have developed an affinity and keen interest in Mandarin—
From the factory, they have witnessed too many unimaginable things.
Chen Zhou personally told them that as long as they study hard, it won't take long for them to learn where light comes from, how metal tools are forged, and how they were captured that night...
As for their former Leader, Chen Zhou didn't consider him worth mentioning.
Truly advanced and developed culture, along with a beautiful vision of the future, attracted the favored three to strive closer to that wonderful future.
...
However, the natives living with the indigenous predecessors showed another attitude altogether.
The veterans always had a unique sense of superiority. While being limited by Chen Zhou's orders not to whip or scold them, their attitude towards them wasn't exactly friendly.
