误购风险性 risk importance

采购失误 [贸易] buying error

在应用程序购买错误 IN APP PURCHASE ERROR

在应用程序内购买错误 IN APP PURCHASE ERROR

教育电脑的选购误区 Network & Information

购买错误 buy mistake

有链接错误之采购订单 purchase orders with chain errors

必须购买误诊保险费 Malpractice Premiums

走出企业并购的误区 Technoeconomics & Management Research