If you can improve your price by 3%, we shall be prepared to _ for 5,000 metric tons.
企业对外销售商品时，若安装和检验任务是销售合同的重要组成部分，则确认该商品销售收入的时点是()
When _ the contract, please include the arbitration clause.
_____is suggested that he his homework.
根据《会计档案管理办法》 ，企业现金日记账和银行存款日记账的保管期限为（）
