●表示谢意

谢谢您提醒我们注意此事。
Thank you for calling this matter to our attention. *call somebody's attention “促使……注意”，该句多用于受到抱怨时。
非常感谢您给予我们的合作。
Thank you very much for your cooperation.
谢谢您提供给我们这样服务的机会。
Thank you for the opportunity to be of service.
我们感谢能有这样的机会去……
We appreciate this opportunity to...
Thank you for this opportunity to...
很高兴和你们保持贸易关系。
It is always a pleasure doing business with you.
It is always a pleasure serving you.
It is always a pleasure to serve you.

●表示歉意

请接受我们诚挚的歉意。
Please accept our sincere apologies. *最后再一次重申，表达自己的歉意。accept “(就……给予)承认，接受”。
我以我个人的身份为……向您赔礼道歉。
I want to extend my personal apologies for...

●应酬话

我们预祝您在新的一年里将更加辉煌和成功。
We wish you a bright and successful New Year.
我们确信今后……将继续不断地增加。
We trust that an increase in ... will continue in the future.
We trust that an increase in sales will continue in the future. (我们确信今后销售量将继续不断地增加。)