What implications that different sentence structures might have, i.e., mentioning the operator (施动者) or not?
A.
Eyewitness testimony: people speaking different languages remember different things about the events.
B.
Blame and punishment: People speaking a language that always requires an operator are more likely to blame someone for some demeanors or mistakes.
C.
Working memory: people speaking different languages have different retention rate in recalling things.
D.
Writing skills: people speaking different languges have different proficiency level in writing.