Discount_reason_list_comma_c__c
    IF(ISBLANK(sales_discount__c), '123', '营业对应')  +  
IF(ISNULL(Contract_target__c), '456', '维修协议')  +  
IF(ISNULL(New_QIS_free__c), '3', ',新品保修期内无偿')  +  
IF(ISNULL(New_QIS_not_QIS_issue__c), '', ',新品保修期内非品质问题')  +  
IF(ISNULL(Contract_free__c), '', ',维修保修期内无偿')  +  
IF(ISNULL(Contract_not_QIS_issue__c), '', ',维修保修期内非品质问题')  +  
IF(ISNULL(Loaner_repair__c),'',',备品修理') +
IF(ISNULL(maintenance_pj__c), '', ',维护保养项目')  +  
IF(ISNULL(CCD_cut__c), '', ',CCD线短')  +  
IF(ISNULL(Special_offer__c), '', ',特别对应')  +  
IF(ISNULL(long_term_insurance__c), '', ',多年保修')  +  
IF(ISNULL(Set_discount__c), '', ',套餐折扣')  +  
IF(ISNULL(Servince_contract_discount_amount__c), '' , ',维修合同')  +  
IF(ISNULL(Delivery_compensation__c), '', ',运输索赔')  +  
IF(ISNULL(Other_discount__c), '', ',其他')
    false
    MID( 
IF(sales_discount__c = 0, '', '营业对应,') + 
IF(Contract_target__c = 0, '', '维修协议,') + 
IF(New_QIS_free__c = 0, '', '新品保修期内无偿,') + 
IF(New_QIS_not_QIS_issue__c = 0, '', '新品保修期内非品质问题,') + 
IF(Contract_free__c = 0, '', '维修保修期内无偿,') + 
IF(Contract_not_QIS_issue__c = 0, '', '维修保修期内非品质问题,') + 
IF(Loaner_repair__c = 0,'','备品修理,') + 
IF(maintenance_pj__c = 0, '', '维护保养项目,') + 
IF(CCD_cut__c = 0, '', 'CCD线短,') + 
IF(Special_offer__c = 0, '', '特别对应,') + 
IF(long_term_insurance__c = 0, '', '服务多年保修,') + 
IF(long_term_insurance_MD__c = 0, '', '市场多年保修,') + 
IF(Set_discount__c = 0, '', '套餐折扣,') + 
IF(Servince_contract_discount_amount__c = 0, '' , '维修合同,') + 
IF(Delivery_compensation__c = 0, '', '运输索赔,') + 
IF(Other_discount__c = 0, '', '其他,'), 
0, 
LEN( 
IF(sales_discount__c = 0, '', '营业对应,') + 
IF(Contract_target__c = 0, '', '维修协议,') + 
IF(New_QIS_free__c = 0, '', '新品保修期内无偿,') + 
IF(New_QIS_not_QIS_issue__c = 0, '', '新品保修期内非品质问题,') + 
IF(Contract_free__c = 0, '', '维修保修期内无偿,') + 
IF(Contract_not_QIS_issue__c = 0, '', '维修保修期内非品质问题,') + 
IF(Loaner_repair__c = 0,'','备品修理,') + 
IF(maintenance_pj__c = 0, '', '维护保养项目,') + 
IF(CCD_cut__c = 0, '', 'CCD线短,') + 
IF(Special_offer__c = 0, '', '特别对应,') + 
IF(long_term_insurance__c = 0, '', '服务多年保修,') + 
IF(long_term_insurance_MD__c = 0, '', '市场多年保修,') +
IF(Set_discount__c = 0, '', '套餐折扣,') + 
IF(Servince_contract_discount_amount__c = 0, '' , '维修合同,') + 
IF(Delivery_compensation__c = 0, '', '运输索赔,') + 
IF(Other_discount__c = 0, '', '其他,') 
) - 1 
)
    BlankAsZero
    
    false
    false
    false
    Text
    false