“WehavereceivedyourletterofSeptember11,2012.”怎么翻译？

Theletterwesentlastweekisanenquiry_______colorTVsets.

Weregrettheneedforyoutowritetousandhopethestepswearetaking____thesafearrivalofallyourordersinthefuture.

Nodiscountwillbeallowed____youcouldplaceanorderformorethan5,000pcs.

Wecannotacceptanyfreshorders_______heavycommitments.