Jaynestown - S1-E4
Continuity mistake: Right after Simon gives his "box dropping man ape gone wrong" line, as Kaylee says "you're pretty funny", he starts to take a drink. When Kaylee finishes talking, the shot changes to in front of them both and Simon's hand and mug are now in his lap.
Jaynestown - S1-E4
Continuity mistake: When the foreman first slaps Simon on the back, the muddy handprint has quite identifiable finger marks, but in the next shot, when Simon is walking away, the muddy shape has changed. In a subsequent shot, the mudprint has disappeared entirely. (00:04:25 - 00:06:00)
Jaynestown - S1-E4
Continuity mistake: The mud left on Simon's shoulder by the foreman slapping his back disappears soon after, despite him having had no opportunity to change or clean his jacket.
Chosen answer: One of the premises of the show is that the two major Earth societies that survived, and ultimately merged, were the Chinese and Americans. As a result the common language includes much Chinese. Clothing, signage, and building designs also have a heavy Chinese influence.