 This view not only unifies previous methods but also allows us to propose novel methods that, in contrast with traditional mean-field approaches, preserve correlations of the system, both in stationary and transient states.
<clarity>  This view not only unifies previous methods but also allows us to propose novel methods that, in contrast with traditional mean-field approaches, preserve correlations of the system, both in stationary and transient states.
 This view not only unifies previous methods but also allows us to develop novel methods that, in contrast with traditional mean-field approaches, preserve correlations of the system, both in stationary and transient states.