A tracking number is automatically assigned to your shipment, whether you use an online shipping system or a paper-based method UPS Waybill, etc..是什么意思_A tracking number is automatically assigned to your shipment, whether you use an online shipping system or a paper-based method UPS Waybill, etc..在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句