职员提交报销单给项目经理，如果钱少于1000，项目经理提交给财务人员，否则项目经理提交给副总经理，副总经理再提交给财务人员。项目经理，副总经理都可以驳回给他的下一级。(The employee submits an expense account to the project manager. If the amount is less than 1000, the project manager submits it to the f