ImportDemonstration_stateDiff__c false if(ImportDemonstration_stateLastM__c == null && Opportunity__r.ImportDemonstration_state__c != null,'开始论证', if(ImportDemonstration_stateLastM__c != Opportunity__r.ImportDemonstration_state__c,'论证推进', if(ImportDemonstration_stateLastM__c == Opportunity__r.ImportDemonstration_state__c,'提交没变化','-'))) BlankAsZero 进口论证变化 false false Text false