In Cambodia, why Cambodians earn [much] less than expats?

A rare question ever asked by Cambodian young professionals: “Why Do I Earn Less Than You?”

Cambodia’s blogger Neil Din recently asked in her blog post:

I just don’t understand why Cambodians get paid way lower than expats for the same job. Firstly, I assumed that it was very unfair. However, I decided to the put the question out there and tried to understand from a different angles I received from the responses.