es_dsl2 = DSLEstimator(lambdas=[
    ["prepTime": nFill(nVal("@palette:restaurant:batch_feature:prepTime:r_id"),
                 avg("@palette:restaurant:batch_featuer:prepTime:r_id"))],
    ["nMeal": nVal("@palette:restaurant:realtime_feature:nMean:r_id")],
    ["nOrder": nVal("@basis:nOrder")],
    ["nBusy": nVal("@palette:region:service_feature:nBusy:region_id")]
])