Before revision:  We also consider practical implementation and explicitly incorporate known covariates , such as seasonality patterns and trends, which may explain some of the relationship between two insurance processes( or at least help tease out those relationships ).
After revision:  We also consider practical implementation and explicitly incorporate known covariates , such as seasonality patterns and trends, which may explain some of the relationship (dependence) between multiple claims processes, or at least help tease out those relationships ).