如何完美表達書信中的「謝謝」

Thank you for one of the most memorable days of my trip.
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: z9 a3 T; C- ~9 O% v) Q4 {為了旅途中最值得留念的一天，謹向您表示感謝。

Thank you for one of the most enjoyable visits we have had in many months.

在您處的參觀訪問，是我們幾個月中最愉快的一次。謹向您表示感謝。

( ^5 g; F" z8 c8 gThank you for one of the most memorable days of my trip.

為了旅途中最值得留念的一天，謹向您表示感謝。
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) b# t/ Y9 Q$ d& G: `/ @: O3 \1 OThank you for doing so much to make my trip to New York interesting (pleasant)(resultful).
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% w7 [. y- H  ?為了使我去紐約的旅遊有趣（愉快）（大有收穫），您做了許多事，特此致謝。

Thank you for contributing so much to the pleasure of our stay in ...
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感謝您為使我們在......的停留期間的愉快所作的許多努力。

Thank you so much for your generous hospitality.

非常感謝您慷慨的款待。

I hope something will bring you to New York soon so that I can reciprocate your kindness.
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* a0 }+ w# {) C7 t/ P# ^" [7 _1 v希望不久您能有機會到紐約來，使我能答謝您的盛情。
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You must give me the chance to return your kindness when you visit here.

  W  |! t' A# v7 S8 A6 M- r# O希望您光臨我處，使我能答謝您的盛情。

Thank you very much (ever so much) (most sincerely) (indeed) (from the bottom of my heart).

( u' m- \8 R  i  _& M很（非常）（最真誠地）（確實）（衷心）感謝您。

  j2 K6 i+ T6 m' MMany thanks for your kind and warm letter.
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感謝您友好而熱情的來信。

1 w- ?* O) _+ a5 {9 T1 s' p; K* i3 uThanks a million (ever so much).

萬分（非常）感謝。

Please accept ( I wish to express )my sincere (grateful) (profound) appreciation for ...
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請接受（致以）真摯的（衷心的）（深切的）感謝......

" I9 Q, f6 `' s, J+ BI sincerely (deeply) (warmly) appreciate ...

; V/ L# M$ N5 P, _$ ~/ H' D我真摯的（深深的）（熱情的）感謝......

I am very sincerely (most) (truly) grateful to you for ...

% Y, ~) f. `4 j2 L# ]! T為了......，我非常真摯的（深深的）（真誠的）感謝您。 (待續)

. h) R  @2 n  wThere is nothing more important (satisfying) (gratifying) to me than to receive one of your letters.
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再也沒有比收到您的來信更使我覺得重要（快慰）（感激）了。
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! u. E3 ]6 l3 b) b! RYour letters are so much fun (comfort) (entertainment) (company).
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- q3 m9 X/ y1 `2 c% O您的來信充滿了樂趣（給了很大安慰）（帶來了歡樂）（使我不感寂寞）。
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  C& `2 v; m. `8 o& D, m7 ~8 HYour most courteous (considerate)(delightful)letter...

您那彬彬有禮（體貼入微）（令人欣慰）的來信……
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I cannot tell you how much your letter delighted(relieved)(amused)(enchanted)me.

我無法告訴您，您的來信使我多麼高興（寬慰）（覺得有趣）（陶醉）。

; B! J( q! p4 P7 s2 u+ tI love the way you say (put) things in your letters. You make even the smallest incident seem so interesting(important)

(charming)(mysterious).
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2 V6 T9 u) T" K! g2 \我很欣賞您在信中描述各種事物的手法。您的妙筆使細小的事情都顯得很有趣（重要）（動人）（神秘）。

It was good (fine)(charming)(thoughtful)of you...

承蒙好意（美意）（盛情）（關心）……
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It was nice(characteristically thoughtful) (more than kind) of you...
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承蒙好意（特別關心）（十二分好意）……
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At the outset, I want to thank you for your kindness to me and for your compliments.
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首先，我要感謝您對我的友愛和問候。

9 o& o  r  g' `Believe me, I am truly grateful for...

我確實真誠地感謝你……

7 J) x5 f# i3 C" M6 `8 OWe were deeply touched by ...
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……使我們深受感動。
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) B; h3 E7 W1 a" nIt is a hopeless(definite)(positive)understatement to say that I am deeply (sincerely)(truly)grateful.
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; ]' ~0 Z3 c8 t; c+ i% T這就是說「我深深的（真摯的）（真誠的）感謝」遠不足以（不能確切）（不能明確）表達我的謝意。

It』s generous of you to take so much interest in my work( to give me so much of your time) (to show me so much consideration).
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2 |# \8 R9 s& t: F+ Q承蒙對我的工作如此操心（為我花費這麼多時間）（對我如此關懷）。
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) o, K: Y6 K3 x' X" t  Q7 bWe are indebted to you...
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1 E8 @5 y6 }$ }8 r% F7 e( w' N) `我們感謝你……

I regret very much that I did not have an opportunity to thank you personally for ...
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未能面謝，深表遺憾。