Thanks again for your kind help.对你的帮助再次表示感谢。

My true gratitude is beyond any words? description.任何语言都不能表达我的真挚谢意。

Please accept my thanks, now and always.请永远记住我的谢意。

Your help is very much appreciated by each one of us.我们每个人都非常感谢你

I am writing to express my thanks for...我写这封信是为了表达我对的谢意

I would like to convey in this letter my heartfelt thanks to you for... 在信中我要为表达我真挚的谢意

Thank you so much for the gift you sent me. It?s one of the most wonderful gifts I ever got.非常感谢你给我寄来的礼物，这是我收到的最好礼物之一。

Many thanks for all the good things you have done in helping us to...非常感谢您为帮助我们所做的一切。

I would like to take this opportunity to express my great appreciation for your timely help and assistance.我谨借此机会感谢您给予我们的及时帮助和支持。

On behalf of my whole family, I would like to extend my sincere gratitude for...我谨代表我全家对表示真诚的感激之情。

Nothing will be able to erase our wonderful memories, we will nurture them forever.没什么能抹掉我们美好的记忆，我们会永远铭刻在心。