For example:

User Selects Tokyo and he can choose answer:

 

DESIRED SALARY

 

 “I just want to emigrate to this city. Reasonable salary is fine for me for now.”

 “Highest salary I can get for my skills.”

 “Average salary is fine. I am interested in this city, and I am flexible on salary.”

Then, he can add other city, let us say, Italy, then he answers same question: