by your first class bank in our favour upon signing Sales Contract.Shipment will be effected within 25 days after receipt of the relevant L/C issued by your first class bank in our favour upon signing Sales Contract.这个句子中by your first class

when( )your first class ( )in the moring by your first class bank in our favour upon signing Sales Contract.Shipment will be effected within 25 days after receipt of the relevant L/C issued by your first class bank in our favour upon signing Sales Contract.这个句子中by your first class by your first class bank in our favour upon signing Sales Contract.Shipment will be effected within 25 days after receipt of the relevant L/C issued by your first class bank in our favour upon signing Sales Contract.这个句子中by your first class I want to send this package by first class mail.中的first class first-class When_____ your school day begin and when_____your first class when da you start your first class?怎么回答? 英语翻译Shipment will be effected within 20 days after receipt of the relevant L/C issued by your first class bank in our favor upon signing Sales Contract.issued by your first class bank in our favor upon signing Sales Contract. He flew to London by first plane.=He went to London( )( ) of the first class. Do you go by your first name at work? 英语翻译get upeat your first meal of the daygo to your first class of the daywatch tvstudy in one's favor 例子：Shipment will be effected withinShipment will be effected within 20 days after receipt of the relevant L/C issued by your first class bank in our favor upon signing Sales Contract. We usually begin our first class ___ songs.A withB inC forD by first-class reading是什么意思 first class object first-class honour是什么意思 什么是first class lever first class functions是什么意思