Match Condition vs Search Expression?
For example, you have a autmobile (let's say , Nissan), which is broken down, we need to send it to a service center to repair. let's say ,that each service centers(Server) can only repair one car type.
Match condition: I only need one candidate that match my requirement, for example I need a service center who can repair my Nissan Car.
Search Expression: if there are a few service centers that can repair my Nissan car, I need the one with the smallest distance from me...