Please accept my most cordial thanks for your timely help, which I will never forget.
请接受我诚挚的谢意，感谢你及时的帮助，我将难以忘怀。
Please accept my sincere thanks for your help, which I will never forget.
请接受我真诚的感谢，我将永远不会忘记你的帮助。
Please accept my sincere thanks for your help, which I will never forget.
请接受我真诚的感谢，我将永远不会忘记你的帮助。
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