约务更替 novation ; haha novation ; nacclaim

业务约定书 engagement letter ; audit engagement letter

商务约会 Making Appointments ; Making a business Appiontment

预约服务 reservation service

服务合约 Contract for service ; service contract ; Contract of service ; Services Agreement

条约义务 treaty obligation

债务契约 debt covenant ; indenture ; debt contract

审计业务约定书 ahudit engagement ; audit engagement letter ; Engagement letter

服务契约 service contract ; service agreement

财务约束 financial discipline