______ourcataloguesforyourreference.
______our catalogues for your reference.
Weregrettheneedforyoutowritetousandhopethestepswearetaking____thesafearrivalofallyourordersinthefuture.
We should be pleased to send you some samples of our new typewriter on approval,______ our own expense.
“Asrequested,wemakeanofferforthefollowingproductsasfollows,subjecttoourfinalconfirmation.”怎么翻译