We are pleased to know that you have planned to come to the Autumn Guangzhou Fair.We wish to discuss with you some other important things if you could come（）your earliest convenience. by。 on。 in。 at。
We regret that it is necessary to complain（）the non-delivery of the10，000 tons of sugar under Contract BC-023. concerning。 about。 regarding。 with。
When the good sare ready，the shipping agent will（）and（）them to the docks. deliver，collect。 collect，send。 deliver，send。 collect，deliver。
The purpose of this ad campaign is to（）the prospective customers’interest in this latest model of ours. appeal。 encourage。 arouse。 attract。
术语翻译：Breach of contract（）
Not until this morning（）your delayed letter of credit.
