感谢信 (gǎn xiè xìn) — thank-you letter; letter of thanks

定義

例文

• 他写了一封感谢信给老师。
  Tā xiě le yì fēng gǎn xiè xìn gěi lǎo shī.
  He wrote a thank-you letter to the teacher.
• 公司收到了很多感谢信。
  Gōng sī shōu dào le hěn duō gǎn xiè xìn.
  The company received many thank-you letters.
• 你在感谢信里表达了你的感谢。
  Nǐ zài gǎn xiè xìn lǐ biǎo dá le nǐ de gǎn xiè.
  In the thank-you letter, you expressed your gratitude.