Invoice_Cost_RMB__c false IF(Shipment_amount__c - RrturnPro_Cost_RMB__c - InvoicedProCost_RMB__c < 0 , 0, Shipment_amount__c - RrturnPro_Cost_RMB__c - InvoicedProCost_RMB__c) BlankAsZero 还没发票金额 18 false 2 false false Number false