LastMonthly_Forecast_in__c false IF( AND( OR(NOT(ISBLANK(text(Monthly_forecast_shipping__c))), text(Opportunity__r.Forecast_this_month__c) ="本月订发货预测"), NOT(ISBLANK(DeliveryDate__c)), AND(YEAR(DeliveryDate__c)=IF(MONTH(today())=1,YEAR(today())-1,YEAR(today())),MONTH(DeliveryDate__c)=IF(MONTH(today())=1,12,MONTH(today())-1) ) ),1,0) BlankAsZero 18 false 2 false false Number false